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Finding the Fourth Proportional to 499,385.68, 749,153.12 and 183,818.64

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Solution

The fourth proportional to 499,385.68, 749,153.12 and 183,818.64 is: 275,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,385.68 : 749,153.12 = 183,818.64 : x
  2. Step 2: Convert to fraction form
    499,385.68/749,153.12 = 183,818.64/x
  3. Step 3: Cross multiply
    499,385.68x = 749,153.12 × 183,818.64
  4. Step 4: Simplify right side
    499,385.68x = 137,708,307,670.16
  5. Step 5: Solve for x
    x = 137,708,307,670.16/499,385.68
  6. Step 6: Final answer
    x = 275,755.42

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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.