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Finding the Fourth Proportional to 504,380.55, 753,356.31 and 456,275.15

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Solution

The fourth proportional to 504,380.55, 753,356.31 and 456,275.15 is: 681,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,380.55 : 753,356.31 = 456,275.15 : x
  2. Step 2: Convert to fraction form
    504,380.55/753,356.31 = 456,275.15/x
  3. Step 3: Cross multiply
    504,380.55x = 753,356.31 × 456,275.15
  4. Step 4: Simplify right side
    504,380.55x = 343,737,763,348.70
  5. Step 5: Solve for x
    x = 343,737,763,348.70/504,380.55
  6. Step 6: Final answer
    x = 681,504.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.