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Finding the Fourth Proportional to 437,711.61, 656,112.18 and 184,781.01

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Solution

The fourth proportional to 437,711.61, 656,112.18 and 184,781.01 is: 276,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,711.61 : 656,112.18 = 184,781.01 : x
  2. Step 2: Convert to fraction form
    437,711.61/656,112.18 = 184,781.01/x
  3. Step 3: Cross multiply
    437,711.61x = 656,112.18 × 184,781.01
  4. Step 4: Simplify right side
    437,711.61x = 121,237,071,293.70
  5. Step 5: Solve for x
    x = 121,237,071,293.70/437,711.61
  6. Step 6: Final answer
    x = 276,979.34

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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.