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Finding the Fourth Proportional to 492,663.59, 738,030.22 and 439,107.11

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Solution

The fourth proportional to 492,663.59, 738,030.22 and 439,107.11 is: 657,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,663.59 : 738,030.22 = 439,107.11 : x
  2. Step 2: Convert to fraction form
    492,663.59/738,030.22 = 439,107.11/x
  3. Step 3: Cross multiply
    492,663.59x = 738,030.22 × 439,107.11
  4. Step 4: Simplify right side
    492,663.59x = 324,074,316,996.86
  5. Step 5: Solve for x
    x = 324,074,316,996.86/492,663.59
  6. Step 6: Final answer
    x = 657,800.42

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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.