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Finding the Fourth Proportional to 614,131.44, 921,197.16 and 239,892

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Solution

The fourth proportional to 614,131.44, 921,197.16 and 239,892 is: 359,838.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,131.44 : 921,197.16 = 239,892 : x
  2. Step 2: Convert to fraction form
    614,131.44/921,197.16 = 239,892/x
  3. Step 3: Cross multiply
    614,131.44x = 921,197.16 × 239,892
  4. Step 4: Simplify right side
    614,131.44x = 220,987,829,106.72
  5. Step 5: Solve for x
    x = 220,987,829,106.72/614,131.44
  6. Step 6: Final answer
    x = 359,838.00

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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.