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Finding the Fourth Proportional to 347,544, 480,004.38 and 234,169.92

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Solution

The fourth proportional to 347,544, 480,004.38 and 234,169.92 is: 323,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,544 : 480,004.38 = 234,169.92 : x
  2. Step 2: Convert to fraction form
    347,544/480,004.38 = 234,169.92/x
  3. Step 3: Cross multiply
    347,544x = 480,004.38 × 234,169.92
  4. Step 4: Simplify right side
    347,544x = 112,402,587,264.25
  5. Step 5: Solve for x
    x = 112,402,587,264.25/347,544
  6. Step 6: Final answer
    x = 323,419.73

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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.