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Finding the Fourth Proportional to 632,182.70, 948,274.05 and 628,246.10

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Solution

The fourth proportional to 632,182.70, 948,274.05 and 628,246.10 is: 942,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,182.70 : 948,274.05 = 628,246.10 : x
  2. Step 2: Convert to fraction form
    632,182.70/948,274.05 = 628,246.10/x
  3. Step 3: Cross multiply
    632,182.70x = 948,274.05 × 628,246.10
  4. Step 4: Simplify right side
    632,182.70x = 595,749,473,643.71
  5. Step 5: Solve for x
    x = 595,749,473,643.71/632,182.70
  6. Step 6: Final answer
    x = 942,369.15

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Half scale
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Double scale
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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.