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Finding the Fourth Proportional to 614,148.75, 847,531.35 and 359,505.41

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Solution

The fourth proportional to 614,148.75, 847,531.35 and 359,505.41 is: 496,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,148.75 : 847,531.35 = 359,505.41 : x
  2. Step 2: Convert to fraction form
    614,148.75/847,531.35 = 359,505.41/x
  3. Step 3: Cross multiply
    614,148.75x = 847,531.35 × 359,505.41
  4. Step 4: Simplify right side
    614,148.75x = 304,692,101,231.95
  5. Step 5: Solve for x
    x = 304,692,101,231.95/614,148.75
  6. Step 6: Final answer
    x = 496,121.02

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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.