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Finding the Fourth Proportional to 583,451.40, 875,833.20 and 450,919.20

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Solution

The fourth proportional to 583,451.40, 875,833.20 and 450,919.20 is: 676,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,451.40 : 875,833.20 = 450,919.20 : x
  2. Step 2: Convert to fraction form
    583,451.40/875,833.20 = 450,919.20/x
  3. Step 3: Cross multiply
    583,451.40x = 875,833.20 × 450,919.20
  4. Step 4: Simplify right side
    583,451.40x = 394,930,005,877.44
  5. Step 5: Solve for x
    x = 394,930,005,877.44/583,451.40
  6. Step 6: Final answer
    x = 676,885.87

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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.