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Finding the Fourth Proportional to 499,422, 749,207.52 and 183,854.64

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Solution

The fourth proportional to 499,422, 749,207.52 and 183,854.64 is: 275,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,422 : 749,207.52 = 183,854.64 : x
  2. Step 2: Convert to fraction form
    499,422/749,207.52 = 183,854.64/x
  3. Step 3: Cross multiply
    499,422x = 749,207.52 × 183,854.64
  4. Step 4: Simplify right side
    499,422x = 137,745,278,874.89
  5. Step 5: Solve for x
    x = 137,745,278,874.89/499,422
  6. Step 6: Final answer
    x = 275,809.39

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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.