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Finding the Fourth Proportional to 220,326, 330,488.19 and 62,554.47

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Solution

The fourth proportional to 220,326, 330,488.19 and 62,554.47 is: 93,831.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,326 : 330,488.19 = 62,554.47 : x
  2. Step 2: Convert to fraction form
    220,326/330,488.19 = 62,554.47/x
  3. Step 3: Cross multiply
    220,326x = 330,488.19 × 62,554.47
  4. Step 4: Simplify right side
    220,326x = 20,673,513,566.71
  5. Step 5: Solve for x
    x = 20,673,513,566.71/220,326
  6. Step 6: Final answer
    x = 93,831.48

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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.