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Finding the Fourth Proportional to 482,771.60, 724,157.40 and 472,403.60

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Solution

The fourth proportional to 482,771.60, 724,157.40 and 472,403.60 is: 708,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,771.60 : 724,157.40 = 472,403.60 : x
  2. Step 2: Convert to fraction form
    482,771.60/724,157.40 = 472,403.60/x
  3. Step 3: Cross multiply
    482,771.60x = 724,157.40 × 472,403.60
  4. Step 4: Simplify right side
    482,771.60x = 342,094,562,726.64
  5. Step 5: Solve for x
    x = 342,094,562,726.64/482,771.60
  6. Step 6: Final answer
    x = 708,605.40

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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.