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Finding the Fourth Proportional to 437,590.63, 656,496.78 and 122,047.48

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Solution

The fourth proportional to 437,590.63, 656,496.78 and 122,047.48 is: 183,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,590.63 : 656,496.78 = 122,047.48 : x
  2. Step 2: Convert to fraction form
    437,590.63/656,496.78 = 122,047.48/x
  3. Step 3: Cross multiply
    437,590.63x = 656,496.78 × 122,047.48
  4. Step 4: Simplify right side
    437,590.63x = 80,123,777,627.11
  5. Step 5: Solve for x
    x = 80,123,777,627.11/437,590.63
  6. Step 6: Final answer
    x = 183,102.13

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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.