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Finding the Fourth Proportional to 580,778.32, 801,453.36 and 326,140.24

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Solution

The fourth proportional to 580,778.32, 801,453.36 and 326,140.24 is: 450,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,778.32 : 801,453.36 = 326,140.24 : x
  2. Step 2: Convert to fraction form
    580,778.32/801,453.36 = 326,140.24/x
  3. Step 3: Cross multiply
    580,778.32x = 801,453.36 × 326,140.24
  4. Step 4: Simplify right side
    580,778.32x = 261,386,191,179.21
  5. Step 5: Solve for x
    x = 261,386,191,179.21/580,778.32
  6. Step 6: Final answer
    x = 450,061.89

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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.