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Finding the Fourth Proportional to 375,338.48, 517,883.88 and 222,300.32

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Solution

The fourth proportional to 375,338.48, 517,883.88 and 222,300.32 is: 306,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,338.48 : 517,883.88 = 222,300.32 : x
  2. Step 2: Convert to fraction form
    375,338.48/517,883.88 = 222,300.32/x
  3. Step 3: Cross multiply
    375,338.48x = 517,883.88 × 222,300.32
  4. Step 4: Simplify right side
    375,338.48x = 115,125,752,246.84
  5. Step 5: Solve for x
    x = 115,125,752,246.84/375,338.48
  6. Step 6: Final answer
    x = 306,725.15

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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.