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Finding the Fourth Proportional to 362,385.12, 500,114.61 and 201,240.17

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Solution

The fourth proportional to 362,385.12, 500,114.61 and 201,240.17 is: 277,724.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,385.12 : 500,114.61 = 201,240.17 : x
  2. Step 2: Convert to fraction form
    362,385.12/500,114.61 = 201,240.17/x
  3. Step 3: Cross multiply
    362,385.12x = 500,114.61 × 201,240.17
  4. Step 4: Simplify right side
    362,385.12x = 100,643,148,510.74
  5. Step 5: Solve for x
    x = 100,643,148,510.74/362,385.12
  6. Step 6: Final answer
    x = 277,724.28

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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.