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Finding the Fourth Proportional to 539,673.24, 744,750.12 and 297,956.28

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Solution

The fourth proportional to 539,673.24, 744,750.12 and 297,956.28 is: 411,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,673.24 : 744,750.12 = 297,956.28 : x
  2. Step 2: Convert to fraction form
    539,673.24/744,750.12 = 297,956.28/x
  3. Step 3: Cross multiply
    539,673.24x = 744,750.12 × 297,956.28
  4. Step 4: Simplify right side
    539,673.24x = 221,902,975,284.75
  5. Step 5: Solve for x
    x = 221,902,975,284.75/539,673.24
  6. Step 6: Final answer
    x = 411,180.25

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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.