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Finding the Fourth Proportional to 555,665.53, 833,502.44 and 156,346.69

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Solution

The fourth proportional to 555,665.53, 833,502.44 and 156,346.69 is: 234,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,665.53 : 833,502.44 = 156,346.69 : x
  2. Step 2: Convert to fraction form
    555,665.53/833,502.44 = 156,346.69/x
  3. Step 3: Cross multiply
    555,665.53x = 833,502.44 × 156,346.69
  4. Step 4: Simplify right side
    555,665.53x = 130,315,347,600.92
  5. Step 5: Solve for x
    x = 130,315,347,600.92/555,665.53
  6. Step 6: Final answer
    x = 234,521.20

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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.