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Finding the Fourth Proportional to 225,883.59, 338,159.64 and 197,858.40

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Solution

The fourth proportional to 225,883.59, 338,159.64 and 197,858.40 is: 296,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,883.59 : 338,159.64 = 197,858.40 : x
  2. Step 2: Convert to fraction form
    225,883.59/338,159.64 = 197,858.40/x
  3. Step 3: Cross multiply
    225,883.59x = 338,159.64 × 197,858.40
  4. Step 4: Simplify right side
    225,883.59x = 66,907,725,314.98
  5. Step 5: Solve for x
    x = 66,907,725,314.98/225,883.59
  6. Step 6: Final answer
    x = 296,204.45

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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.