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Finding the Fourth Proportional to 254,069.92, 349,736.28 and 219,598.85

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Solution

The fourth proportional to 254,069.92, 349,736.28 and 219,598.85 is: 302,285.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,069.92 : 349,736.28 = 219,598.85 : x
  2. Step 2: Convert to fraction form
    254,069.92/349,736.28 = 219,598.85/x
  3. Step 3: Cross multiply
    254,069.92x = 349,736.28 × 219,598.85
  4. Step 4: Simplify right side
    254,069.92x = 76,801,684,210.10
  5. Step 5: Solve for x
    x = 76,801,684,210.10/254,069.92
  6. Step 6: Final answer
    x = 302,285.63

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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.