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Finding the Fourth Proportional to 362,540.40, 500,291.82 and 201,405.58

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Solution

The fourth proportional to 362,540.40, 500,291.82 and 201,405.58 is: 277,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,540.40 : 500,291.82 = 201,405.58 : x
  2. Step 2: Convert to fraction form
    362,540.40/500,291.82 = 201,405.58/x
  3. Step 3: Cross multiply
    362,540.40x = 500,291.82 × 201,405.58
  4. Step 4: Simplify right side
    362,540.40x = 100,761,564,176.36
  5. Step 5: Solve for x
    x = 100,761,564,176.36/362,540.40
  6. Step 6: Final answer
    x = 277,931.96

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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.