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Finding the Fourth Proportional to 614,156.52, 921,029.04 and 234,989.04

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Solution

The fourth proportional to 614,156.52, 921,029.04 and 234,989.04 is: 352,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,156.52 : 921,029.04 = 234,989.04 : x
  2. Step 2: Convert to fraction form
    614,156.52/921,029.04 = 234,989.04/x
  3. Step 3: Cross multiply
    614,156.52x = 921,029.04 × 234,989.04
  4. Step 4: Simplify right side
    614,156.52x = 216,431,729,921.72
  5. Step 5: Solve for x
    x = 216,431,729,921.72/614,156.52
  6. Step 6: Final answer
    x = 352,404.84

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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.