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Finding the Fourth Proportional to 578,465.10, 867,697.65 and 566,655.30

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Solution

The fourth proportional to 578,465.10, 867,697.65 and 566,655.30 is: 849,982.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,465.10 : 867,697.65 = 566,655.30 : x
  2. Step 2: Convert to fraction form
    578,465.10/867,697.65 = 566,655.30/x
  3. Step 3: Cross multiply
    578,465.10x = 867,697.65 × 566,655.30
  4. Step 4: Simplify right side
    578,465.10x = 491,685,472,170.05
  5. Step 5: Solve for x
    x = 491,685,472,170.05/578,465.10
  6. Step 6: Final answer
    x = 849,982.95

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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.