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Finding the Fourth Proportional to 362,670.80, 500,475.72 and 201,521.68

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Solution

The fourth proportional to 362,670.80, 500,475.72 and 201,521.68 is: 278,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,670.80 : 500,475.72 = 201,521.68 : x
  2. Step 2: Convert to fraction form
    362,670.80/500,475.72 = 201,521.68/x
  3. Step 3: Cross multiply
    362,670.80x = 500,475.72 × 201,521.68
  4. Step 4: Simplify right side
    362,670.80x = 100,856,707,893.61
  5. Step 5: Solve for x
    x = 100,856,707,893.61/362,670.80
  6. Step 6: Final answer
    x = 278,094.37

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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.