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Finding the Fourth Proportional to 258,873.88, 357,356.18 and 174,040.16

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Solution

The fourth proportional to 258,873.88, 357,356.18 and 174,040.16 is: 240,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,873.88 : 357,356.18 = 174,040.16 : x
  2. Step 2: Convert to fraction form
    258,873.88/357,356.18 = 174,040.16/x
  3. Step 3: Cross multiply
    258,873.88x = 357,356.18 × 174,040.16
  4. Step 4: Simplify right side
    258,873.88x = 62,194,326,744.19
  5. Step 5: Solve for x
    x = 62,194,326,744.19/258,873.88
  6. Step 6: Final answer
    x = 240,249.53

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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.