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Finding the Fourth Proportional to 499,845.75, 749,691.63 and 162,885.57

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Solution

The fourth proportional to 499,845.75, 749,691.63 and 162,885.57 is: 244,303.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,845.75 : 749,691.63 = 162,885.57 : x
  2. Step 2: Convert to fraction form
    499,845.75/749,691.63 = 162,885.57/x
  3. Step 3: Cross multiply
    499,845.75x = 749,691.63 × 162,885.57
  4. Step 4: Simplify right side
    499,845.75x = 122,113,948,476.78
  5. Step 5: Solve for x
    x = 122,113,948,476.78/499,845.75
  6. Step 6: Final answer
    x = 244,303.26

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1.5x scale

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.