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Finding the Fourth Proportional to 583,403.80, 875,105.70 and 533,540.20

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Solution

The fourth proportional to 583,403.80, 875,105.70 and 533,540.20 is: 800,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,403.80 : 875,105.70 = 533,540.20 : x
  2. Step 2: Convert to fraction form
    583,403.80/875,105.70 = 533,540.20/x
  3. Step 3: Cross multiply
    583,403.80x = 875,105.70 × 533,540.20
  4. Step 4: Simplify right side
    583,403.80x = 466,904,070,199.14
  5. Step 5: Solve for x
    x = 466,904,070,199.14/583,403.80
  6. Step 6: Final answer
    x = 800,310.30

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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.