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Finding the Fourth Proportional to 580,424.50, 801,036.12 and 322,351.21

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Solution

The fourth proportional to 580,424.50, 801,036.12 and 322,351.21 is: 444,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,424.50 : 801,036.12 = 322,351.21 : x
  2. Step 2: Convert to fraction form
    580,424.50/801,036.12 = 322,351.21/x
  3. Step 3: Cross multiply
    580,424.50x = 801,036.12 × 322,351.21
  4. Step 4: Simplify right side
    580,424.50x = 258,214,962,535.71
  5. Step 5: Solve for x
    x = 258,214,962,535.71/580,424.50
  6. Step 6: Final answer
    x = 444,872.61

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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.