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Finding the Fourth Proportional to 632,602.80, 948,904.20 and 605,300.40

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Solution

The fourth proportional to 632,602.80, 948,904.20 and 605,300.40 is: 907,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,602.80 : 948,904.20 = 605,300.40 : x
  2. Step 2: Convert to fraction form
    632,602.80/948,904.20 = 605,300.40/x
  3. Step 3: Cross multiply
    632,602.80x = 948,904.20 × 605,300.40
  4. Step 4: Simplify right side
    632,602.80x = 574,372,091,821.68
  5. Step 5: Solve for x
    x = 574,372,091,821.68/632,602.80
  6. Step 6: Final answer
    x = 907,950.60

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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.