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Finding the Fourth Proportional to 615,891.61, 843,757.40 and 592,864.85

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Solution

The fourth proportional to 615,891.61, 843,757.40 and 592,864.85 is: 812,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,891.61 : 843,757.40 = 592,864.85 : x
  2. Step 2: Convert to fraction form
    615,891.61/843,757.40 = 592,864.85/x
  3. Step 3: Cross multiply
    615,891.61x = 843,757.40 × 592,864.85
  4. Step 4: Simplify right side
    615,891.61x = 500,234,102,655.88
  5. Step 5: Solve for x
    x = 500,234,102,655.88/615,891.61
  6. Step 6: Final answer
    x = 812,211.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.