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Finding the Fourth Proportional to 387,876.56, 535,422.12 and 244,608.08

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Solution

The fourth proportional to 387,876.56, 535,422.12 and 244,608.08 is: 337,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,876.56 : 535,422.12 = 244,608.08 : x
  2. Step 2: Convert to fraction form
    387,876.56/535,422.12 = 244,608.08/x
  3. Step 3: Cross multiply
    387,876.56x = 535,422.12 × 244,608.08
  4. Step 4: Simplify right side
    387,876.56x = 130,968,576,762.73
  5. Step 5: Solve for x
    x = 130,968,576,762.73/387,876.56
  6. Step 6: Final answer
    x = 337,655.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.