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Finding the Fourth Proportional to 555,983.64, 834,024.42 and 156,627.72

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Solution

The fourth proportional to 555,983.64, 834,024.42 and 156,627.72 is: 234,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,983.64 : 834,024.42 = 156,627.72 : x
  2. Step 2: Convert to fraction form
    555,983.64/834,024.42 = 156,627.72/x
  3. Step 3: Cross multiply
    555,983.64x = 834,024.42 × 156,627.72
  4. Step 4: Simplify right side
    555,983.64x = 130,631,343,328.92
  5. Step 5: Solve for x
    x = 130,631,343,328.92/555,983.64
  6. Step 6: Final answer
    x = 234,955.37

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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.