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Finding the Fourth Proportional to 435,641.60, 653,559.60 and 341,163.20

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Solution

The fourth proportional to 435,641.60, 653,559.60 and 341,163.20 is: 511,820.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,641.60 : 653,559.60 = 341,163.20 : x
  2. Step 2: Convert to fraction form
    435,641.60/653,559.60 = 341,163.20/x
  3. Step 3: Cross multiply
    435,641.60x = 653,559.60 × 341,163.20
  4. Step 4: Simplify right side
    435,641.60x = 222,970,484,526.72
  5. Step 5: Solve for x
    x = 222,970,484,526.72/435,641.60
  6. Step 6: Final answer
    x = 511,820.92

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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.