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Finding the Fourth Proportional to 623,940.96, 933,448.95 and 472,574.16

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Solution

The fourth proportional to 623,940.96, 933,448.95 and 472,574.16 is: 706,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,940.96 : 933,448.95 = 472,574.16 : x
  2. Step 2: Convert to fraction form
    623,940.96/933,448.95 = 472,574.16/x
  3. Step 3: Cross multiply
    623,940.96x = 933,448.95 × 472,574.16
  4. Step 4: Simplify right side
    623,940.96x = 441,123,853,449.13
  5. Step 5: Solve for x
    x = 441,123,853,449.13/623,940.96
  6. Step 6: Final answer
    x = 706,996.15

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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.