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Finding the Fourth Proportional to 583,475.40, 875,869.20 and 450,943.20

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Solution

The fourth proportional to 583,475.40, 875,869.20 and 450,943.20 is: 676,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,475.40 : 875,869.20 = 450,943.20 : x
  2. Step 2: Convert to fraction form
    583,475.40/875,869.20 = 450,943.20/x
  3. Step 3: Cross multiply
    583,475.40x = 875,869.20 × 450,943.20
  4. Step 4: Simplify right side
    583,475.40x = 394,967,259,829.44
  5. Step 5: Solve for x
    x = 394,967,259,829.44/583,475.40
  6. Step 6: Final answer
    x = 676,921.87

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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.