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Finding the Fourth Proportional to 350,851.60, 526,277.40 and 321,821.20

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Solution

The fourth proportional to 350,851.60, 526,277.40 and 321,821.20 is: 482,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,851.60 : 526,277.40 = 321,821.20 : x
  2. Step 2: Convert to fraction form
    350,851.60/526,277.40 = 321,821.20/x
  3. Step 3: Cross multiply
    350,851.60x = 526,277.40 × 321,821.20
  4. Step 4: Simplify right side
    350,851.60x = 169,367,224,400.88
  5. Step 5: Solve for x
    x = 169,367,224,400.88/350,851.60
  6. Step 6: Final answer
    x = 482,731.80

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1.5x scale

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.