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Finding the Fourth Proportional to 580,820.57, 801,521.96 and 322,698.68

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Solution

The fourth proportional to 580,820.57, 801,521.96 and 322,698.68 is: 445,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,820.57 : 801,521.96 = 322,698.68 : x
  2. Step 2: Convert to fraction form
    580,820.57/801,521.96 = 322,698.68/x
  3. Step 3: Cross multiply
    580,820.57x = 801,521.96 × 322,698.68
  4. Step 4: Simplify right side
    580,820.57x = 258,650,072,861.91
  5. Step 5: Solve for x
    x = 258,650,072,861.91/580,820.57
  6. Step 6: Final answer
    x = 445,318.38

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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.