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Finding the Fourth Proportional to 342,901.01, 474,105.96 and 300,337.13

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Solution

The fourth proportional to 342,901.01, 474,105.96 and 300,337.13 is: 415,255.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,901.01 : 474,105.96 = 300,337.13 : x
  2. Step 2: Convert to fraction form
    342,901.01/474,105.96 = 300,337.13/x
  3. Step 3: Cross multiply
    342,901.01x = 474,105.96 × 300,337.13
  4. Step 4: Simplify right side
    342,901.01x = 142,391,624,527.56
  5. Step 5: Solve for x
    x = 142,391,624,527.56/342,901.01
  6. Step 6: Final answer
    x = 415,255.77

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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.