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Finding the Fourth Proportional to 544,876.54, 751,917.89 and 315,443.52

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Solution

The fourth proportional to 544,876.54, 751,917.89 and 315,443.52 is: 435,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,876.54 : 751,917.89 = 315,443.52 : x
  2. Step 2: Convert to fraction form
    544,876.54/751,917.89 = 315,443.52/x
  3. Step 3: Cross multiply
    544,876.54x = 751,917.89 × 315,443.52
  4. Step 4: Simplify right side
    544,876.54x = 237,187,626,761.18
  5. Step 5: Solve for x
    x = 237,187,626,761.18/544,876.54
  6. Step 6: Final answer
    x = 435,305.27

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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.