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Finding the Fourth Proportional to 536,661.72, 740,610.92 and 294,952.86

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Solution

The fourth proportional to 536,661.72, 740,610.92 and 294,952.86 is: 407,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,661.72 : 740,610.92 = 294,952.86 : x
  2. Step 2: Convert to fraction form
    536,661.72/740,610.92 = 294,952.86/x
  3. Step 3: Cross multiply
    536,661.72x = 740,610.92 × 294,952.86
  4. Step 4: Simplify right side
    536,661.72x = 218,445,309,001.23
  5. Step 5: Solve for x
    x = 218,445,309,001.23/536,661.72
  6. Step 6: Final answer
    x = 407,044.70

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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.