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Finding the Fourth Proportional to 437,705.64, 656,628.72 and 184,988.64

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Solution

The fourth proportional to 437,705.64, 656,628.72 and 184,988.64 is: 277,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,705.64 : 656,628.72 = 184,988.64 : x
  2. Step 2: Convert to fraction form
    437,705.64/656,628.72 = 184,988.64/x
  3. Step 3: Cross multiply
    437,705.64x = 656,628.72 × 184,988.64
  4. Step 4: Simplify right side
    437,705.64x = 121,468,853,897.74
  5. Step 5: Solve for x
    x = 121,468,853,897.74/437,705.64
  6. Step 6: Final answer
    x = 277,512.65

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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.