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Finding the Fourth Proportional to 437,695.20, 656,612.76 and 184,978.08

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Solution

The fourth proportional to 437,695.20, 656,612.76 and 184,978.08 is: 277,496.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,695.20 : 656,612.76 = 184,978.08 : x
  2. Step 2: Convert to fraction form
    437,695.20/656,612.76 = 184,978.08/x
  3. Step 3: Cross multiply
    437,695.20x = 656,612.76 × 184,978.08
  4. Step 4: Simplify right side
    437,695.20x = 121,458,967,648.30
  5. Step 5: Solve for x
    x = 121,458,967,648.30/437,695.20
  6. Step 6: Final answer
    x = 277,496.69

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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.