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Finding the Fourth Proportional to 259,794.32, 358,763.76 and 245,641.79

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Solution

The fourth proportional to 259,794.32, 358,763.76 and 245,641.79 is: 339,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,794.32 : 358,763.76 = 245,641.79 : x
  2. Step 2: Convert to fraction form
    259,794.32/358,763.76 = 245,641.79/x
  3. Step 3: Cross multiply
    259,794.32x = 358,763.76 × 245,641.79
  4. Step 4: Simplify right side
    259,794.32x = 88,127,370,399.71
  5. Step 5: Solve for x
    x = 88,127,370,399.71/259,794.32
  6. Step 6: Final answer
    x = 339,219.78

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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.