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Finding the Fourth Proportional to 362,434.88, 500,143.36 and 201,300.48

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Solution

The fourth proportional to 362,434.88, 500,143.36 and 201,300.48 is: 277,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,434.88 : 500,143.36 = 201,300.48 : x
  2. Step 2: Convert to fraction form
    362,434.88/500,143.36 = 201,300.48/x
  3. Step 3: Cross multiply
    362,434.88x = 500,143.36 × 201,300.48
  4. Step 4: Simplify right side
    362,434.88x = 100,679,098,436.81
  5. Step 5: Solve for x
    x = 100,679,098,436.81/362,434.88
  6. Step 6: Final answer
    x = 277,785.35

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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.