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Finding the Fourth Proportional to 598,291.48, 825,643.38 and 326,359.72

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Solution

The fourth proportional to 598,291.48, 825,643.38 and 326,359.72 is: 450,377.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,291.48 : 825,643.38 = 326,359.72 : x
  2. Step 2: Convert to fraction form
    598,291.48/825,643.38 = 326,359.72/x
  3. Step 3: Cross multiply
    598,291.48x = 825,643.38 × 326,359.72
  4. Step 4: Simplify right side
    598,291.48x = 269,456,742,316.65
  5. Step 5: Solve for x
    x = 269,456,742,316.65/598,291.48
  6. Step 6: Final answer
    x = 450,377.03

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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.