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Finding the Fourth Proportional to 415,381.68, 573,212.88 and 262,501.44

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Solution

The fourth proportional to 415,381.68, 573,212.88 and 262,501.44 is: 362,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,381.68 : 573,212.88 = 262,501.44 : x
  2. Step 2: Convert to fraction form
    415,381.68/573,212.88 = 262,501.44/x
  3. Step 3: Cross multiply
    415,381.68x = 573,212.88 × 262,501.44
  4. Step 4: Simplify right side
    415,381.68x = 150,469,206,426.55
  5. Step 5: Solve for x
    x = 150,469,206,426.55/415,381.68
  6. Step 6: Final answer
    x = 362,243.24

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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.