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Finding the Fourth Proportional to 374,351.44, 516,458.44 and 230,862.40

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Solution

The fourth proportional to 374,351.44, 516,458.44 and 230,862.40 is: 318,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,351.44 : 516,458.44 = 230,862.40 : x
  2. Step 2: Convert to fraction form
    374,351.44/516,458.44 = 230,862.40/x
  3. Step 3: Cross multiply
    374,351.44x = 516,458.44 × 230,862.40
  4. Step 4: Simplify right side
    374,351.44x = 119,230,834,958.66
  5. Step 5: Solve for x
    x = 119,230,834,958.66/374,351.44
  6. Step 6: Final answer
    x = 318,499.74

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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.