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Finding the Fourth Proportional to 362,143.90, 542,999.85 and 222,003.10

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Solution

The fourth proportional to 362,143.90, 542,999.85 and 222,003.10 is: 332,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,143.90 : 542,999.85 = 222,003.10 : x
  2. Step 2: Convert to fraction form
    362,143.90/542,999.85 = 222,003.10/x
  3. Step 3: Cross multiply
    362,143.90x = 542,999.85 × 222,003.10
  4. Step 4: Simplify right side
    362,143.90x = 120,547,649,999.54
  5. Step 5: Solve for x
    x = 120,547,649,999.54/362,143.90
  6. Step 6: Final answer
    x = 332,872.24

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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.