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Finding the Fourth Proportional to 362,156.68, 499,766.88 and 201,007

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Solution

The fourth proportional to 362,156.68, 499,766.88 and 201,007 is: 277,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,156.68 : 499,766.88 = 201,007 : x
  2. Step 2: Convert to fraction form
    362,156.68/499,766.88 = 201,007/x
  3. Step 3: Cross multiply
    362,156.68x = 499,766.88 × 201,007
  4. Step 4: Simplify right side
    362,156.68x = 100,456,641,248.16
  5. Step 5: Solve for x
    x = 100,456,641,248.16/362,156.68
  6. Step 6: Final answer
    x = 277,384.48

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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.