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Finding the Fourth Proportional to 291,770.85, 402,759.72 and 250,772.70

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Solution

The fourth proportional to 291,770.85, 402,759.72 and 250,772.70 is: 346,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,770.85 : 402,759.72 = 250,772.70 : x
  2. Step 2: Convert to fraction form
    291,770.85/402,759.72 = 250,772.70/x
  3. Step 3: Cross multiply
    291,770.85x = 402,759.72 × 250,772.70
  4. Step 4: Simplify right side
    291,770.85x = 101,001,142,435.64
  5. Step 5: Solve for x
    x = 101,001,142,435.64/291,770.85
  6. Step 6: Final answer
    x = 346,165.98

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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.