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Finding the Fourth Proportional to 556,500.42, 834,187.14 and 219,778.49

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Solution

The fourth proportional to 556,500.42, 834,187.14 and 219,778.49 is: 329,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,500.42 : 834,187.14 = 219,778.49 : x
  2. Step 2: Convert to fraction form
    556,500.42/834,187.14 = 219,778.49/x
  3. Step 3: Cross multiply
    556,500.42x = 834,187.14 × 219,778.49
  4. Step 4: Simplify right side
    556,500.42x = 183,336,392,092.09
  5. Step 5: Solve for x
    x = 183,336,392,092.09/556,500.42
  6. Step 6: Final answer
    x = 329,445.20

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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.