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Finding the Fourth Proportional to 374,351.60, 516,458.04 and 230,862.80

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Solution

The fourth proportional to 374,351.60, 516,458.04 and 230,862.80 is: 318,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,351.60 : 516,458.04 = 230,862.80 : x
  2. Step 2: Convert to fraction form
    374,351.60/516,458.04 = 230,862.80/x
  3. Step 3: Cross multiply
    374,351.60x = 516,458.04 × 230,862.80
  4. Step 4: Simplify right side
    374,351.60x = 119,230,949,196.91
  5. Step 5: Solve for x
    x = 119,230,949,196.91/374,351.60
  6. Step 6: Final answer
    x = 318,499.91

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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.