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Finding the Fourth Proportional to 259,891.93, 358,653.86 and 152,463.79

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Solution

The fourth proportional to 259,891.93, 358,653.86 and 152,463.79 is: 210,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,891.93 : 358,653.86 = 152,463.79 : x
  2. Step 2: Convert to fraction form
    259,891.93/358,653.86 = 152,463.79/x
  3. Step 3: Cross multiply
    259,891.93x = 358,653.86 × 152,463.79
  4. Step 4: Simplify right side
    259,891.93x = 54,681,726,793.73
  5. Step 5: Solve for x
    x = 54,681,726,793.73/259,891.93
  6. Step 6: Final answer
    x = 210,401.79

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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.