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Finding the Fourth Proportional to 614,227.58, 921,472.59 and 214,881.38

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Solution

The fourth proportional to 614,227.58, 921,472.59 and 214,881.38 is: 322,367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,227.58 : 921,472.59 = 214,881.38 : x
  2. Step 2: Convert to fraction form
    614,227.58/921,472.59 = 214,881.38/x
  3. Step 3: Cross multiply
    614,227.58x = 921,472.59 × 214,881.38
  4. Step 4: Simplify right side
    614,227.58x = 198,007,303,714.80
  5. Step 5: Solve for x
    x = 198,007,303,714.80/614,227.58
  6. Step 6: Final answer
    x = 322,367.98

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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.