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Finding the Fourth Proportional to 583,390.80, 875,086.20 and 533,527.20

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Solution

The fourth proportional to 583,390.80, 875,086.20 and 533,527.20 is: 800,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,390.80 : 875,086.20 = 533,527.20 : x
  2. Step 2: Convert to fraction form
    583,390.80/875,086.20 = 533,527.20/x
  3. Step 3: Cross multiply
    583,390.80x = 875,086.20 × 533,527.20
  4. Step 4: Simplify right side
    583,390.80x = 466,882,290,044.64
  5. Step 5: Solve for x
    x = 466,882,290,044.64/583,390.80
  6. Step 6: Final answer
    x = 800,290.80

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Double scale
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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.