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Finding the Fourth Proportional to 517,222.46, 775,862.85 and 157,405.02

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Solution

The fourth proportional to 517,222.46, 775,862.85 and 157,405.02 is: 236,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,222.46 : 775,862.85 = 157,405.02 : x
  2. Step 2: Convert to fraction form
    517,222.46/775,862.85 = 157,405.02/x
  3. Step 3: Cross multiply
    517,222.46x = 775,862.85 × 157,405.02
  4. Step 4: Simplify right side
    517,222.46x = 122,124,709,466.52
  5. Step 5: Solve for x
    x = 122,124,709,466.52/517,222.46
  6. Step 6: Final answer
    x = 236,116.41

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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.