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Finding the Fourth Proportional to 632,145.60, 948,218.40 and 626,240.70

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Solution

The fourth proportional to 632,145.60, 948,218.40 and 626,240.70 is: 939,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,145.60 : 948,218.40 = 626,240.70 : x
  2. Step 2: Convert to fraction form
    632,145.60/948,218.40 = 626,240.70/x
  3. Step 3: Cross multiply
    632,145.60x = 948,218.40 × 626,240.70
  4. Step 4: Simplify right side
    632,145.60x = 593,812,954,568.88
  5. Step 5: Solve for x
    x = 593,812,954,568.88/632,145.60
  6. Step 6: Final answer
    x = 939,361.05

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Half scale
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Double scale
Find fourth proportional to 632,146.60, 948,219.90 and 626,241.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.