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Finding the Fourth Proportional to 358,833.60, 538,250.40 and 246,859.20

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Solution

The fourth proportional to 358,833.60, 538,250.40 and 246,859.20 is: 370,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,833.60 : 538,250.40 = 246,859.20 : x
  2. Step 2: Convert to fraction form
    358,833.60/538,250.40 = 246,859.20/x
  3. Step 3: Cross multiply
    358,833.60x = 538,250.40 × 246,859.20
  4. Step 4: Simplify right side
    358,833.60x = 132,872,063,143.68
  5. Step 5: Solve for x
    x = 132,872,063,143.68/358,833.60
  6. Step 6: Final answer
    x = 370,288.80

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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.