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Finding the Fourth Proportional to 539,698.31, 744,795.28 and 297,996.16

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Solution

The fourth proportional to 539,698.31, 744,795.28 and 297,996.16 is: 411,241.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,698.31 : 744,795.28 = 297,996.16 : x
  2. Step 2: Convert to fraction form
    539,698.31/744,795.28 = 297,996.16/x
  3. Step 3: Cross multiply
    539,698.31x = 744,795.28 × 297,996.16
  4. Step 4: Simplify right side
    539,698.31x = 221,946,130,819.15
  5. Step 5: Solve for x
    x = 221,946,130,819.15/539,698.31
  6. Step 6: Final answer
    x = 411,241.11

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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.