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Finding the Fourth Proportional to 362,407.30, 542,574.15 and 222,439.30

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Solution

The fourth proportional to 362,407.30, 542,574.15 and 222,439.30 is: 333,022.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,407.30 : 542,574.15 = 222,439.30 : x
  2. Step 2: Convert to fraction form
    362,407.30/542,574.15 = 222,439.30/x
  3. Step 3: Cross multiply
    362,407.30x = 542,574.15 × 222,439.30
  4. Step 4: Simplify right side
    362,407.30x = 120,689,814,124.10
  5. Step 5: Solve for x
    x = 120,689,814,124.10/362,407.30
  6. Step 6: Final answer
    x = 333,022.58

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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.