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Finding the Fourth Proportional to 354,686.40, 532,029.60 and 333,691.20

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Solution

The fourth proportional to 354,686.40, 532,029.60 and 333,691.20 is: 500,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,686.40 : 532,029.60 = 333,691.20 : x
  2. Step 2: Convert to fraction form
    354,686.40/532,029.60 = 333,691.20/x
  3. Step 3: Cross multiply
    354,686.40x = 532,029.60 × 333,691.20
  4. Step 4: Simplify right side
    354,686.40x = 177,533,595,659.52
  5. Step 5: Solve for x
    x = 177,533,595,659.52/354,686.40
  6. Step 6: Final answer
    x = 500,536.80

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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.