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Finding the Fourth Proportional to 374,354.42, 516,462.60 and 230,865.38

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Solution

The fourth proportional to 374,354.42, 516,462.60 and 230,865.38 is: 318,503.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,354.42 : 516,462.60 = 230,865.38 : x
  2. Step 2: Convert to fraction form
    374,354.42/516,462.60 = 230,865.38/x
  3. Step 3: Cross multiply
    374,354.42x = 516,462.60 × 230,865.38
  4. Step 4: Simplify right side
    374,354.42x = 119,233,334,404.79
  5. Step 5: Solve for x
    x = 119,233,334,404.79/374,354.42
  6. Step 6: Final answer
    x = 318,503.88

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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.