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Finding the Fourth Proportional to 369,648.54, 510,115.56 and 199,882.68

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Solution

The fourth proportional to 369,648.54, 510,115.56 and 199,882.68 is: 275,838.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,648.54 : 510,115.56 = 199,882.68 : x
  2. Step 2: Convert to fraction form
    369,648.54/510,115.56 = 199,882.68/x
  3. Step 3: Cross multiply
    369,648.54x = 510,115.56 × 199,882.68
  4. Step 4: Simplify right side
    369,648.54x = 101,963,265,242.50
  5. Step 5: Solve for x
    x = 101,963,265,242.50/369,648.54
  6. Step 6: Final answer
    x = 275,838.41

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1.5x scale

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.