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Finding the Fourth Proportional to 409,793.40, 614,690.10 and 250,361.10

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Solution

The fourth proportional to 409,793.40, 614,690.10 and 250,361.10 is: 375,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,793.40 : 614,690.10 = 250,361.10 : x
  2. Step 2: Convert to fraction form
    409,793.40/614,690.10 = 250,361.10/x
  3. Step 3: Cross multiply
    409,793.40x = 614,690.10 × 250,361.10
  4. Step 4: Simplify right side
    409,793.40x = 153,894,489,595.11
  5. Step 5: Solve for x
    x = 153,894,489,595.11/409,793.40
  6. Step 6: Final answer
    x = 375,541.65

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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.