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Finding the Fourth Proportional to 474,121.60, 712,737.60 and 334,844.80

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Solution

The fourth proportional to 474,121.60, 712,737.60 and 334,844.80 is: 503,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,121.60 : 712,737.60 = 334,844.80 : x
  2. Step 2: Convert to fraction form
    474,121.60/712,737.60 = 334,844.80/x
  3. Step 3: Cross multiply
    474,121.60x = 712,737.60 × 334,844.80
  4. Step 4: Simplify right side
    474,121.60x = 238,656,479,124.48
  5. Step 5: Solve for x
    x = 238,656,479,124.48/474,121.60
  6. Step 6: Final answer
    x = 503,365.55

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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.