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Finding the Fourth Proportional to 671,446.70, 1,007,170.05 and 250,700.30

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Solution

The fourth proportional to 671,446.70, 1,007,170.05 and 250,700.30 is: 376,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,446.70 : 1,007,170.05 = 250,700.30 : x
  2. Step 2: Convert to fraction form
    671,446.70/1,007,170.05 = 250,700.30/x
  3. Step 3: Cross multiply
    671,446.70x = 1,007,170.05 × 250,700.30
  4. Step 4: Simplify right side
    671,446.70x = 252,497,833,686.02
  5. Step 5: Solve for x
    x = 252,497,833,686.02/671,446.70
  6. Step 6: Final answer
    x = 376,050.45

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Double scale
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Similar ratio
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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.