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Finding the Fourth Proportional to 318,096.92, 477,159.98 and 225,018.20

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Solution

The fourth proportional to 318,096.92, 477,159.98 and 225,018.20 is: 337,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,096.92 : 477,159.98 = 225,018.20 : x
  2. Step 2: Convert to fraction form
    318,096.92/477,159.98 = 225,018.20/x
  3. Step 3: Cross multiply
    318,096.92x = 477,159.98 × 225,018.20
  4. Step 4: Simplify right side
    318,096.92x = 107,369,679,811.64
  5. Step 5: Solve for x
    x = 107,369,679,811.64/318,096.92
  6. Step 6: Final answer
    x = 337,537.63

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1.5x scale

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.