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Finding the Fourth Proportional to 581,299.68, 802,217.32 and 326,650.26

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Solution

The fourth proportional to 581,299.68, 802,217.32 and 326,650.26 is: 450,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,299.68 : 802,217.32 = 326,650.26 : x
  2. Step 2: Convert to fraction form
    581,299.68/802,217.32 = 326,650.26/x
  3. Step 3: Cross multiply
    581,299.68x = 802,217.32 × 326,650.26
  4. Step 4: Simplify right side
    581,299.68x = 262,044,496,154.50
  5. Step 5: Solve for x
    x = 262,044,496,154.50/581,299.68
  6. Step 6: Final answer
    x = 450,790.71

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.