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Finding the Fourth Proportional to 499,526.80, 747,103.20 and 446,601.40

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Solution

The fourth proportional to 499,526.80, 747,103.20 and 446,601.40 is: 667,946.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,526.80 : 747,103.20 = 446,601.40 : x
  2. Step 2: Convert to fraction form
    499,526.80/747,103.20 = 446,601.40/x
  3. Step 3: Cross multiply
    499,526.80x = 747,103.20 × 446,601.40
  4. Step 4: Simplify right side
    499,526.80x = 333,657,335,064.48
  5. Step 5: Solve for x
    x = 333,657,335,064.48/499,526.80
  6. Step 6: Final answer
    x = 667,946.81

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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.