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Finding the Fourth Proportional to 555,665.28, 833,502.06 and 156,346.44

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Solution

The fourth proportional to 555,665.28, 833,502.06 and 156,346.44 is: 234,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,665.28 : 833,502.06 = 156,346.44 : x
  2. Step 2: Convert to fraction form
    555,665.28/833,502.06 = 156,346.44/x
  3. Step 3: Cross multiply
    555,665.28x = 833,502.06 × 156,346.44
  4. Step 4: Simplify right side
    555,665.28x = 130,315,079,813.67
  5. Step 5: Solve for x
    x = 130,315,079,813.67/555,665.28
  6. Step 6: Final answer
    x = 234,520.82

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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.