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Finding the Fourth Proportional to 437,266.60, 656,207.10 and 188,127.40

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Solution

The fourth proportional to 437,266.60, 656,207.10 and 188,127.40 is: 282,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,266.60 : 656,207.10 = 188,127.40 : x
  2. Step 2: Convert to fraction form
    437,266.60/656,207.10 = 188,127.40/x
  3. Step 3: Cross multiply
    437,266.60x = 656,207.10 × 188,127.40
  4. Step 4: Simplify right side
    437,266.60x = 123,450,535,584.54
  5. Step 5: Solve for x
    x = 123,450,535,584.54/437,266.60
  6. Step 6: Final answer
    x = 282,323.27

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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.