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Finding the Fourth Proportional to 544,877.28, 751,918.92 and 315,444.29

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Solution

The fourth proportional to 544,877.28, 751,918.92 and 315,444.29 is: 435,306.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,877.28 : 751,918.92 = 315,444.29 : x
  2. Step 2: Convert to fraction form
    544,877.28/751,918.92 = 315,444.29/x
  3. Step 3: Cross multiply
    544,877.28x = 751,918.92 × 315,444.29
  4. Step 4: Simplify right side
    544,877.28x = 237,188,526,097.37
  5. Step 5: Solve for x
    x = 237,188,526,097.37/544,877.28
  6. Step 6: Final answer
    x = 435,306.32

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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.