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Finding the Fourth Proportional to 492,404.13, 738,705.56 and 155,497.41

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Solution

The fourth proportional to 492,404.13, 738,705.56 and 155,497.41 is: 233,277.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,404.13 : 738,705.56 = 155,497.41 : x
  2. Step 2: Convert to fraction form
    492,404.13/738,705.56 = 155,497.41/x
  3. Step 3: Cross multiply
    492,404.13x = 738,705.56 × 155,497.41
  4. Step 4: Simplify right side
    492,404.13x = 114,866,801,332.60
  5. Step 5: Solve for x
    x = 114,866,801,332.60/492,404.13
  6. Step 6: Final answer
    x = 233,277.49

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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.