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Finding the Fourth Proportional to 425,638.68, 587,363.40 and 232,042.20

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Solution

The fourth proportional to 425,638.68, 587,363.40 and 232,042.20 is: 320,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,638.68 : 587,363.40 = 232,042.20 : x
  2. Step 2: Convert to fraction form
    425,638.68/587,363.40 = 232,042.20/x
  3. Step 3: Cross multiply
    425,638.68x = 587,363.40 × 232,042.20
  4. Step 4: Simplify right side
    425,638.68x = 136,293,095,535.48
  5. Step 5: Solve for x
    x = 136,293,095,535.48/425,638.68
  6. Step 6: Final answer
    x = 320,208.43

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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.