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Finding the Fourth Proportional to 349,739.20, 524,608.80 and 341,963.20

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Solution

The fourth proportional to 349,739.20, 524,608.80 and 341,963.20 is: 512,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,739.20 : 524,608.80 = 341,963.20 : x
  2. Step 2: Convert to fraction form
    349,739.20/524,608.80 = 341,963.20/x
  3. Step 3: Cross multiply
    349,739.20x = 524,608.80 × 341,963.20
  4. Step 4: Simplify right side
    349,739.20x = 179,396,903,996.16
  5. Step 5: Solve for x
    x = 179,396,903,996.16/349,739.20
  6. Step 6: Final answer
    x = 512,944.80

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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.