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Finding the Fourth Proportional to 234,685.56, 351,357.48 and 219,788.44

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Solution

The fourth proportional to 234,685.56, 351,357.48 and 219,788.44 is: 329,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,685.56 : 351,357.48 = 219,788.44 : x
  2. Step 2: Convert to fraction form
    234,685.56/351,357.48 = 219,788.44/x
  3. Step 3: Cross multiply
    234,685.56x = 351,357.48 × 219,788.44
  4. Step 4: Simplify right side
    234,685.56x = 77,224,312,411.53
  5. Step 5: Solve for x
    x = 77,224,312,411.53/234,685.56
  6. Step 6: Final answer
    x = 329,054.38

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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.