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Finding the Fourth Proportional to 374,545.85, 563,036.72 and 300,476.32

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Solution

The fourth proportional to 374,545.85, 563,036.72 and 300,476.32 is: 451,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,545.85 : 563,036.72 = 300,476.32 : x
  2. Step 2: Convert to fraction form
    374,545.85/563,036.72 = 300,476.32/x
  3. Step 3: Cross multiply
    374,545.85x = 563,036.72 × 300,476.32
  4. Step 4: Simplify right side
    374,545.85x = 169,179,198,740.50
  5. Step 5: Solve for x
    x = 169,179,198,740.50/374,545.85
  6. Step 6: Final answer
    x = 451,691.56

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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.