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Finding the Fourth Proportional to 632,027.88, 872,198.48 and 345,547.97

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Solution

The fourth proportional to 632,027.88, 872,198.48 and 345,547.97 is: 476,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,027.88 : 872,198.48 = 345,547.97 : x
  2. Step 2: Convert to fraction form
    632,027.88/872,198.48 = 345,547.97/x
  3. Step 3: Cross multiply
    632,027.88x = 872,198.48 × 345,547.97
  4. Step 4: Simplify right side
    632,027.88x = 301,386,417,245.45
  5. Step 5: Solve for x
    x = 301,386,417,245.45/632,027.88
  6. Step 6: Final answer
    x = 476,856.21

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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.