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Finding the Fourth Proportional to 499,403.47, 749,179.77 and 183,836.38

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Solution

The fourth proportional to 499,403.47, 749,179.77 and 183,836.38 is: 275,782.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,403.47 : 749,179.77 = 183,836.38 : x
  2. Step 2: Convert to fraction form
    499,403.47/749,179.77 = 183,836.38/x
  3. Step 3: Cross multiply
    499,403.47x = 749,179.77 × 183,836.38
  4. Step 4: Simplify right side
    499,403.47x = 137,726,496,886.03
  5. Step 5: Solve for x
    x = 137,726,496,886.03/499,403.47
  6. Step 6: Final answer
    x = 275,782.02

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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.