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Finding the Fourth Proportional to 580,932.20, 811,646.20 and 580,932.20

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Solution

The fourth proportional to 580,932.20, 811,646.20 and 580,932.20 is: 811,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,932.20 : 811,646.20 = 580,932.20 : x
  2. Step 2: Convert to fraction form
    580,932.20/811,646.20 = 580,932.20/x
  3. Step 3: Cross multiply
    580,932.20x = 811,646.20 × 580,932.20
  4. Step 4: Simplify right side
    580,932.20x = 471,511,412,587.64
  5. Step 5: Solve for x
    x = 471,511,412,587.64/580,932.20
  6. Step 6: Final answer
    x = 811,646.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.