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Finding the Fourth Proportional to 258,987.88, 357,458.42 and 174,055.74

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Solution

The fourth proportional to 258,987.88, 357,458.42 and 174,055.74 is: 240,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,987.88 : 357,458.42 = 174,055.74 : x
  2. Step 2: Convert to fraction form
    258,987.88/357,458.42 = 174,055.74/x
  3. Step 3: Cross multiply
    258,987.88x = 357,458.42 × 174,055.74
  4. Step 4: Simplify right side
    258,987.88x = 62,217,687,927.94
  5. Step 5: Solve for x
    x = 62,217,687,927.94/258,987.88
  6. Step 6: Final answer
    x = 240,233.97

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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.