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Finding the Fourth Proportional to 587,310.30, 880,965.45 and 547,652.70

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Solution

The fourth proportional to 587,310.30, 880,965.45 and 547,652.70 is: 821,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,310.30 : 880,965.45 = 547,652.70 : x
  2. Step 2: Convert to fraction form
    587,310.30/880,965.45 = 547,652.70/x
  3. Step 3: Cross multiply
    587,310.30x = 880,965.45 × 547,652.70
  4. Step 4: Simplify right side
    587,310.30x = 482,463,107,299.22
  5. Step 5: Solve for x
    x = 482,463,107,299.22/587,310.30
  6. Step 6: Final answer
    x = 821,479.05

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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.