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Finding the Fourth Proportional to 650,935.78, 976,559.54 and 271,645.53

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Solution

The fourth proportional to 650,935.78, 976,559.54 and 271,645.53 is: 407,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,935.78 : 976,559.54 = 271,645.53 : x
  2. Step 2: Convert to fraction form
    650,935.78/976,559.54 = 271,645.53/x
  3. Step 3: Cross multiply
    650,935.78x = 976,559.54 × 271,645.53
  4. Step 4: Simplify right side
    650,935.78x = 265,278,033,819.86
  5. Step 5: Solve for x
    x = 265,278,033,819.86/650,935.78
  6. Step 6: Final answer
    x = 407,533.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.