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Finding the Fourth Proportional to 292,212.54, 437,952.91 and 156,944.20

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Solution

The fourth proportional to 292,212.54, 437,952.91 and 156,944.20 is: 235,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,212.54 : 437,952.91 = 156,944.20 : x
  2. Step 2: Convert to fraction form
    292,212.54/437,952.91 = 156,944.20/x
  3. Step 3: Cross multiply
    292,212.54x = 437,952.91 × 156,944.20
  4. Step 4: Simplify right side
    292,212.54x = 68,734,169,097.62
  5. Step 5: Solve for x
    x = 68,734,169,097.62/292,212.54
  6. Step 6: Final answer
    x = 235,219.78

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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.