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Finding the Fourth Proportional to 416,181.20, 623,350.20 and 342,453.20

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Solution

The fourth proportional to 416,181.20, 623,350.20 and 342,453.20 is: 512,921.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,181.20 : 623,350.20 = 342,453.20 : x
  2. Step 2: Convert to fraction form
    416,181.20/623,350.20 = 342,453.20/x
  3. Step 3: Cross multiply
    416,181.20x = 623,350.20 × 342,453.20
  4. Step 4: Simplify right side
    416,181.20x = 213,468,270,710.64
  5. Step 5: Solve for x
    x = 213,468,270,710.64/416,181.20
  6. Step 6: Final answer
    x = 512,921.46

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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.