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Finding the Fourth Proportional to 499,387.72, 749,156.14 and 183,820.64

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Solution

The fourth proportional to 499,387.72, 749,156.14 and 183,820.64 is: 275,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,387.72 : 749,156.14 = 183,820.64 : x
  2. Step 2: Convert to fraction form
    499,387.72/749,156.14 = 183,820.64/x
  3. Step 3: Cross multiply
    499,387.72x = 749,156.14 × 183,820.64
  4. Step 4: Simplify right side
    499,387.72x = 137,710,361,114.73
  5. Step 5: Solve for x
    x = 137,710,361,114.73/499,387.72
  6. Step 6: Final answer
    x = 275,758.40

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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.