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Finding the Fourth Proportional to 487,404.47, 730,825.29 and 150,354.63

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Solution

The fourth proportional to 487,404.47, 730,825.29 and 150,354.63 is: 225,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,404.47 : 730,825.29 = 150,354.63 : x
  2. Step 2: Convert to fraction form
    487,404.47/730,825.29 = 150,354.63/x
  3. Step 3: Cross multiply
    487,404.47x = 730,825.29 × 150,354.63
  4. Step 4: Simplify right side
    487,404.47x = 109,882,966,072.59
  5. Step 5: Solve for x
    x = 109,882,966,072.59/487,404.47
  6. Step 6: Final answer
    x = 225,445.13

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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.