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Finding the Fourth Proportional to 451,259.92, 676,714.92 and 240,783.04

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Solution

The fourth proportional to 451,259.92, 676,714.92 and 240,783.04 is: 361,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,259.92 : 676,714.92 = 240,783.04 : x
  2. Step 2: Convert to fraction form
    451,259.92/676,714.92 = 240,783.04/x
  3. Step 3: Cross multiply
    451,259.92x = 676,714.92 × 240,783.04
  4. Step 4: Simplify right side
    451,259.92x = 162,941,475,650.96
  5. Step 5: Solve for x
    x = 162,941,475,650.96/451,259.92
  6. Step 6: Final answer
    x = 361,081.20

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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.