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Finding the Fourth Proportional to 354,008.48, 530,794.72 and 173,864.80

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Solution

The fourth proportional to 354,008.48, 530,794.72 and 173,864.80 is: 260,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,008.48 : 530,794.72 = 173,864.80 : x
  2. Step 2: Convert to fraction form
    354,008.48/530,794.72 = 173,864.80/x
  3. Step 3: Cross multiply
    354,008.48x = 530,794.72 × 173,864.80
  4. Step 4: Simplify right side
    354,008.48x = 92,286,517,833.86
  5. Step 5: Solve for x
    x = 92,286,517,833.86/354,008.48
  6. Step 6: Final answer
    x = 260,690.13

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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.