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Finding the Fourth Proportional to 259,794.81, 358,764.45 and 245,642.29

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Solution

The fourth proportional to 259,794.81, 358,764.45 and 245,642.29 is: 339,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,794.81 : 358,764.45 = 245,642.29 : x
  2. Step 2: Convert to fraction form
    259,794.81/358,764.45 = 245,642.29/x
  3. Step 3: Cross multiply
    259,794.81x = 358,764.45 × 245,642.29
  4. Step 4: Simplify right side
    259,794.81x = 88,127,721,068.59
  5. Step 5: Solve for x
    x = 88,127,721,068.59/259,794.81
  6. Step 6: Final answer
    x = 339,220.48

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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.