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Finding the Fourth Proportional to 291,771.85, 402,761.10 and 250,773.70

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Solution

The fourth proportional to 291,771.85, 402,761.10 and 250,773.70 is: 346,167.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,771.85 : 402,761.10 = 250,773.70 : x
  2. Step 2: Convert to fraction form
    291,771.85/402,761.10 = 250,773.70/x
  3. Step 3: Cross multiply
    291,771.85x = 402,761.10 × 250,773.70
  4. Step 4: Simplify right side
    291,771.85x = 101,001,891,263.07
  5. Step 5: Solve for x
    x = 101,001,891,263.07/291,771.85
  6. Step 6: Final answer
    x = 346,167.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.