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Finding the Fourth Proportional to 350,833.60, 526,250.40 and 321,803.20

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Solution

The fourth proportional to 350,833.60, 526,250.40 and 321,803.20 is: 482,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,833.60 : 526,250.40 = 321,803.20 : x
  2. Step 2: Convert to fraction form
    350,833.60/526,250.40 = 321,803.20/x
  3. Step 3: Cross multiply
    350,833.60x = 526,250.40 × 321,803.20
  4. Step 4: Simplify right side
    350,833.60x = 169,349,062,721.28
  5. Step 5: Solve for x
    x = 169,349,062,721.28/350,833.60
  6. Step 6: Final answer
    x = 482,704.80

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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.