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Finding the Fourth Proportional to 412,762.88, 569,618.80 and 240,676.16

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Solution

The fourth proportional to 412,762.88, 569,618.80 and 240,676.16 is: 332,136.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,762.88 : 569,618.80 = 240,676.16 : x
  2. Step 2: Convert to fraction form
    412,762.88/569,618.80 = 240,676.16/x
  3. Step 3: Cross multiply
    412,762.88x = 569,618.80 × 240,676.16
  4. Step 4: Simplify right side
    412,762.88x = 137,093,665,447.81
  5. Step 5: Solve for x
    x = 137,093,665,447.81/412,762.88
  6. Step 6: Final answer
    x = 332,136.61

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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.