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Finding the Fourth Proportional to 445,644.59, 614,990.52 and 254,657.52

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Solution

The fourth proportional to 445,644.59, 614,990.52 and 254,657.52 is: 351,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,644.59 : 614,990.52 = 254,657.52 : x
  2. Step 2: Convert to fraction form
    445,644.59/614,990.52 = 254,657.52/x
  3. Step 3: Cross multiply
    445,644.59x = 614,990.52 × 254,657.52
  4. Step 4: Simplify right side
    445,644.59x = 156,611,960,646.71
  5. Step 5: Solve for x
    x = 156,611,960,646.71/445,644.59
  6. Step 6: Final answer
    x = 351,427.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.