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Finding the Fourth Proportional to 347,217.48, 520,230.96 and 233,151.48

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Solution

The fourth proportional to 347,217.48, 520,230.96 and 233,151.48 is: 349,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,217.48 : 520,230.96 = 233,151.48 : x
  2. Step 2: Convert to fraction form
    347,217.48/520,230.96 = 233,151.48/x
  3. Step 3: Cross multiply
    347,217.48x = 520,230.96 × 233,151.48
  4. Step 4: Simplify right side
    347,217.48x = 121,292,618,265.82
  5. Step 5: Solve for x
    x = 121,292,618,265.82/347,217.48
  6. Step 6: Final answer
    x = 349,327.51

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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.