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Finding the Fourth Proportional to 499,772.52, 749,657.86 and 162,812.77

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Solution

The fourth proportional to 499,772.52, 749,657.86 and 162,812.77 is: 244,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,772.52 : 749,657.86 = 162,812.77 : x
  2. Step 2: Convert to fraction form
    499,772.52/749,657.86 = 162,812.77/x
  3. Step 3: Cross multiply
    499,772.52x = 749,657.86 × 162,812.77
  4. Step 4: Simplify right side
    499,772.52x = 122,053,872,779.13
  5. Step 5: Solve for x
    x = 122,053,872,779.13/499,772.52
  6. Step 6: Final answer
    x = 244,218.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.