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Finding the Fourth Proportional to 350,775.60, 526,163.40 and 325,114.80

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Solution

The fourth proportional to 350,775.60, 526,163.40 and 325,114.80 is: 487,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,775.60 : 526,163.40 = 325,114.80 : x
  2. Step 2: Convert to fraction form
    350,775.60/526,163.40 = 325,114.80/x
  3. Step 3: Cross multiply
    350,775.60x = 526,163.40 × 325,114.80
  4. Step 4: Simplify right side
    350,775.60x = 171,063,508,558.32
  5. Step 5: Solve for x
    x = 171,063,508,558.32/350,775.60
  6. Step 6: Final answer
    x = 487,672.20

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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.