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Finding the Fourth Proportional to 437,228.52, 656,033.37 and 153,122.88

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Solution

The fourth proportional to 437,228.52, 656,033.37 and 153,122.88 is: 229,751.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,228.52 : 656,033.37 = 153,122.88 : x
  2. Step 2: Convert to fraction form
    437,228.52/656,033.37 = 153,122.88/x
  3. Step 3: Cross multiply
    437,228.52x = 656,033.37 × 153,122.88
  4. Step 4: Simplify right side
    437,228.52x = 100,453,718,990.51
  5. Step 5: Solve for x
    x = 100,453,718,990.51/437,228.52
  6. Step 6: Final answer
    x = 229,751.07

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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.