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Finding the Fourth Proportional to 451,641.17, 676,871.19 and 185,089.61

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Solution

The fourth proportional to 451,641.17, 676,871.19 and 185,089.61 is: 277,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,641.17 : 676,871.19 = 185,089.61 : x
  2. Step 2: Convert to fraction form
    451,641.17/676,871.19 = 185,089.61/x
  3. Step 3: Cross multiply
    451,641.17x = 676,871.19 × 185,089.61
  4. Step 4: Simplify right side
    451,641.17x = 125,281,821,192.98
  5. Step 5: Solve for x
    x = 125,281,821,192.98/451,641.17
  6. Step 6: Final answer
    x = 277,392.39

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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.