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Finding the Fourth Proportional to 369,974.22, 510,509.72 and 216,954.70

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Solution

The fourth proportional to 369,974.22, 510,509.72 and 216,954.70 is: 299,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,974.22 : 510,509.72 = 216,954.70 : x
  2. Step 2: Convert to fraction form
    369,974.22/510,509.72 = 216,954.70/x
  3. Step 3: Cross multiply
    369,974.22x = 510,509.72 × 216,954.70
  4. Step 4: Simplify right side
    369,974.22x = 110,757,483,149.68
  5. Step 5: Solve for x
    x = 110,757,483,149.68/369,974.22
  6. Step 6: Final answer
    x = 299,365.41

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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.