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Finding the Fourth Proportional to 362,300.75, 499,990.65 and 201,155.82

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Solution

The fourth proportional to 362,300.75, 499,990.65 and 201,155.82 is: 277,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,300.75 : 499,990.65 = 201,155.82 : x
  2. Step 2: Convert to fraction form
    362,300.75/499,990.65 = 201,155.82/x
  3. Step 3: Cross multiply
    362,300.75x = 499,990.65 × 201,155.82
  4. Step 4: Simplify right side
    362,300.75x = 100,576,029,193.08
  5. Step 5: Solve for x
    x = 100,576,029,193.08/362,300.75
  6. Step 6: Final answer
    x = 277,603.70

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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.