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Finding the Fourth Proportional to 539,614.83, 744,669.54 and 297,897.72

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Solution

The fourth proportional to 539,614.83, 744,669.54 and 297,897.72 is: 411,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,614.83 : 744,669.54 = 297,897.72 : x
  2. Step 2: Convert to fraction form
    539,614.83/744,669.54 = 297,897.72/x
  3. Step 3: Cross multiply
    539,614.83x = 744,669.54 × 297,897.72
  4. Step 4: Simplify right side
    539,614.83x = 221,835,358,119.45
  5. Step 5: Solve for x
    x = 221,835,358,119.45/539,614.83
  6. Step 6: Final answer
    x = 411,099.45

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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.