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Finding the Fourth Proportional to 347,118.01, 520,138.46 and 240,709.52

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Solution

The fourth proportional to 347,118.01, 520,138.46 and 240,709.52 is: 360,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,118.01 : 520,138.46 = 240,709.52 : x
  2. Step 2: Convert to fraction form
    347,118.01/520,138.46 = 240,709.52/x
  3. Step 3: Cross multiply
    347,118.01x = 520,138.46 × 240,709.52
  4. Step 4: Simplify right side
    347,118.01x = 125,202,280,942.26
  5. Step 5: Solve for x
    x = 125,202,280,942.26/347,118.01
  6. Step 6: Final answer
    x = 360,690.83

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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.