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Finding the Fourth Proportional to 539,608.46, 744,665.72 and 297,891.18

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Solution

The fourth proportional to 539,608.46, 744,665.72 and 297,891.18 is: 411,093.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,608.46 : 744,665.72 = 297,891.18 : x
  2. Step 2: Convert to fraction form
    539,608.46/744,665.72 = 297,891.18/x
  3. Step 3: Cross multiply
    539,608.46x = 744,665.72 × 297,891.18
  4. Step 4: Simplify right side
    539,608.46x = 221,829,348,546.89
  5. Step 5: Solve for x
    x = 221,829,348,546.89/539,608.46
  6. Step 6: Final answer
    x = 411,093.17

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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.