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Finding the Fourth Proportional to 335,626.80, 503,439.60 and 99,135.56

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Solution

The fourth proportional to 335,626.80, 503,439.60 and 99,135.56 is: 148,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,626.80 : 503,439.60 = 99,135.56 : x
  2. Step 2: Convert to fraction form
    335,626.80/503,439.60 = 99,135.56/x
  3. Step 3: Cross multiply
    335,626.80x = 503,439.60 × 99,135.56
  4. Step 4: Simplify right side
    335,626.80x = 49,908,764,154.98
  5. Step 5: Solve for x
    x = 49,908,764,154.98/335,626.80
  6. Step 6: Final answer
    x = 148,703.16

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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.