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Finding the Fourth Proportional to 324,281.16, 486,007.02 and 137,035.08

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Solution

The fourth proportional to 324,281.16, 486,007.02 and 137,035.08 is: 205,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,281.16 : 486,007.02 = 137,035.08 : x
  2. Step 2: Convert to fraction form
    324,281.16/486,007.02 = 137,035.08/x
  3. Step 3: Cross multiply
    324,281.16x = 486,007.02 × 137,035.08
  4. Step 4: Simplify right side
    324,281.16x = 66,600,010,866.26
  5. Step 5: Solve for x
    x = 66,600,010,866.26/324,281.16
  6. Step 6: Final answer
    x = 205,377.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.