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Finding the Fourth Proportional to 318,093.56, 477,140.48 and 149,490.16

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Solution

The fourth proportional to 318,093.56, 477,140.48 and 149,490.16 is: 224,235.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,093.56 : 477,140.48 = 149,490.16 : x
  2. Step 2: Convert to fraction form
    318,093.56/477,140.48 = 149,490.16/x
  3. Step 3: Cross multiply
    318,093.56x = 477,140.48 × 149,490.16
  4. Step 4: Simplify right side
    318,093.56x = 71,327,806,697.68
  5. Step 5: Solve for x
    x = 71,327,806,697.68/318,093.56
  6. Step 6: Final answer
    x = 224,235.31

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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.