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Finding the Fourth Proportional to 614,611.48, 922,348.16 and 254,787.88

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Solution

The fourth proportional to 614,611.48, 922,348.16 and 254,787.88 is: 382,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,611.48 : 922,348.16 = 254,787.88 : x
  2. Step 2: Convert to fraction form
    614,611.48/922,348.16 = 254,787.88/x
  3. Step 3: Cross multiply
    614,611.48x = 922,348.16 × 254,787.88
  4. Step 4: Simplify right side
    614,611.48x = 235,003,132,308.30
  5. Step 5: Solve for x
    x = 235,003,132,308.30/614,611.48
  6. Step 6: Final answer
    x = 382,360.47

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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.