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Finding the Fourth Proportional to 539,242.22, 744,423.92 and 335,358.82

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Solution

The fourth proportional to 539,242.22, 744,423.92 and 335,358.82 is: 462,962.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,242.22 : 744,423.92 = 335,358.82 : x
  2. Step 2: Convert to fraction form
    539,242.22/744,423.92 = 335,358.82/x
  3. Step 3: Cross multiply
    539,242.22x = 744,423.92 × 335,358.82
  4. Step 4: Simplify right side
    539,242.22x = 249,649,127,390.97
  5. Step 5: Solve for x
    x = 249,649,127,390.97/539,242.22
  6. Step 6: Final answer
    x = 462,962.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.