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Finding the Fourth Proportional to 499,737.60, 749,606.40 and 444,625.20

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Solution

The fourth proportional to 499,737.60, 749,606.40 and 444,625.20 is: 666,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,737.60 : 749,606.40 = 444,625.20 : x
  2. Step 2: Convert to fraction form
    499,737.60/749,606.40 = 444,625.20/x
  3. Step 3: Cross multiply
    499,737.60x = 749,606.40 × 444,625.20
  4. Step 4: Simplify right side
    499,737.60x = 333,293,895,521.28
  5. Step 5: Solve for x
    x = 333,293,895,521.28/499,737.60
  6. Step 6: Final answer
    x = 666,937.80

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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.