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Finding the Fourth Proportional to 342,002.10, 513,003.15 and 230,027.70

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Solution

The fourth proportional to 342,002.10, 513,003.15 and 230,027.70 is: 345,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,002.10 : 513,003.15 = 230,027.70 : x
  2. Step 2: Convert to fraction form
    342,002.10/513,003.15 = 230,027.70/x
  3. Step 3: Cross multiply
    342,002.10x = 513,003.15 × 230,027.70
  4. Step 4: Simplify right side
    342,002.10x = 118,004,934,687.26
  5. Step 5: Solve for x
    x = 118,004,934,687.26/342,002.10
  6. Step 6: Final answer
    x = 345,041.55

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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.