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Finding the Fourth Proportional to 614,244.81, 921,498.42 and 214,898.61

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Solution

The fourth proportional to 614,244.81, 921,498.42 and 214,898.61 is: 322,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,244.81 : 921,498.42 = 214,898.61 : x
  2. Step 2: Convert to fraction form
    614,244.81/921,498.42 = 214,898.61/x
  3. Step 3: Cross multiply
    614,244.81x = 921,498.42 × 214,898.61
  4. Step 4: Simplify right side
    614,244.81x = 198,028,729,575.20
  5. Step 5: Solve for x
    x = 198,028,729,575.20/614,244.81
  6. Step 6: Final answer
    x = 322,393.82

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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.