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Finding the Fourth Proportional to 472,668.45, 652,337.61 and 268,749.92

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Solution

The fourth proportional to 472,668.45, 652,337.61 and 268,749.92 is: 370,906.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,668.45 : 652,337.61 = 268,749.92 : x
  2. Step 2: Convert to fraction form
    472,668.45/652,337.61 = 268,749.92/x
  3. Step 3: Cross multiply
    472,668.45x = 652,337.61 × 268,749.92
  4. Step 4: Simplify right side
    472,668.45x = 175,315,680,787.59
  5. Step 5: Solve for x
    x = 175,315,680,787.59/472,668.45
  6. Step 6: Final answer
    x = 370,906.25

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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.