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Finding the Fourth Proportional to 258,681.71, 356,675.42 and 177,049.34

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Solution

The fourth proportional to 258,681.71, 356,675.42 and 177,049.34 is: 244,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,681.71 : 356,675.42 = 177,049.34 : x
  2. Step 2: Convert to fraction form
    258,681.71/356,675.42 = 177,049.34/x
  3. Step 3: Cross multiply
    258,681.71x = 356,675.42 × 177,049.34
  4. Step 4: Simplify right side
    258,681.71x = 63,149,145,036.60
  5. Step 5: Solve for x
    x = 63,149,145,036.60/258,681.71
  6. Step 6: Final answer
    x = 244,119.10

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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.