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Finding the Fourth Proportional to 451,854.96, 677,550.88 and 238,737.28

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Solution

The fourth proportional to 451,854.96, 677,550.88 and 238,737.28 is: 357,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,854.96 : 677,550.88 = 238,737.28 : x
  2. Step 2: Convert to fraction form
    451,854.96/677,550.88 = 238,737.28/x
  3. Step 3: Cross multiply
    451,854.96x = 677,550.88 × 238,737.28
  4. Step 4: Simplify right side
    451,854.96x = 161,756,654,152.81
  5. Step 5: Solve for x
    x = 161,756,654,152.81/451,854.96
  6. Step 6: Final answer
    x = 357,983.58

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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.