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Finding the Fourth Proportional to 374,471.91, 561,686.00 and 108,226.53

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Solution

The fourth proportional to 374,471.91, 561,686.00 and 108,226.53 is: 162,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,471.91 : 561,686.00 = 108,226.53 : x
  2. Step 2: Convert to fraction form
    374,471.91/561,686.00 = 108,226.53/x
  3. Step 3: Cross multiply
    374,471.91x = 561,686.00 × 108,226.53
  4. Step 4: Simplify right side
    374,471.91x = 60,789,326,188.45
  5. Step 5: Solve for x
    x = 60,789,326,188.45/374,471.91
  6. Step 6: Final answer
    x = 162,333.47

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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.