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Finding the Fourth Proportional to 555,587.71, 833,381.87 and 156,228.49

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Solution

The fourth proportional to 555,587.71, 833,381.87 and 156,228.49 is: 234,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,587.71 : 833,381.87 = 156,228.49 : x
  2. Step 2: Convert to fraction form
    555,587.71/833,381.87 = 156,228.49/x
  3. Step 3: Cross multiply
    555,587.71x = 833,381.87 × 156,228.49
  4. Step 4: Simplify right side
    555,587.71x = 130,197,991,143.48
  5. Step 5: Solve for x
    x = 130,197,991,143.48/555,587.71
  6. Step 6: Final answer
    x = 234,342.82

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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.