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Finding the Fourth Proportional to 258,862.38, 357,340.30 and 174,028.64

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Solution

The fourth proportional to 258,862.38, 357,340.30 and 174,028.64 is: 240,233.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,862.38 : 357,340.30 = 174,028.64 : x
  2. Step 2: Convert to fraction form
    258,862.38/357,340.30 = 174,028.64/x
  3. Step 3: Cross multiply
    258,862.38x = 357,340.30 × 174,028.64
  4. Step 4: Simplify right side
    258,862.38x = 62,187,446,426.19
  5. Step 5: Solve for x
    x = 62,187,446,426.19/258,862.38
  6. Step 6: Final answer
    x = 240,233.62

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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.