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Finding the Fourth Proportional to 353,559.33, 530,339.00 and 291,098.61

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Solution

The fourth proportional to 353,559.33, 530,339.00 and 291,098.61 is: 436,647.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,559.33 : 530,339.00 = 291,098.61 : x
  2. Step 2: Convert to fraction form
    353,559.33/530,339.00 = 291,098.61/x
  3. Step 3: Cross multiply
    353,559.33x = 530,339.00 × 291,098.61
  4. Step 4: Simplify right side
    353,559.33x = 154,380,944,273.30
  5. Step 5: Solve for x
    x = 154,380,944,273.30/353,559.33
  6. Step 6: Final answer
    x = 436,647.92

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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.