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Finding the Fourth Proportional to 362,924.88, 544,397.04 and 138,256.80

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Solution

The fourth proportional to 362,924.88, 544,397.04 and 138,256.80 is: 207,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,924.88 : 544,397.04 = 138,256.80 : x
  2. Step 2: Convert to fraction form
    362,924.88/544,397.04 = 138,256.80/x
  3. Step 3: Cross multiply
    362,924.88x = 544,397.04 × 138,256.80
  4. Step 4: Simplify right side
    362,924.88x = 75,266,592,679.87
  5. Step 5: Solve for x
    x = 75,266,592,679.87/362,924.88
  6. Step 6: Final answer
    x = 207,388.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.