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Finding the Fourth Proportional to 468,948.56, 703,488.44 and 153,342.56

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Solution

The fourth proportional to 468,948.56, 703,488.44 and 153,342.56 is: 230,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,948.56 : 703,488.44 = 153,342.56 : x
  2. Step 2: Convert to fraction form
    468,948.56/703,488.44 = 153,342.56/x
  3. Step 3: Cross multiply
    468,948.56x = 703,488.44 × 153,342.56
  4. Step 4: Simplify right side
    468,948.56x = 107,874,718,320.01
  5. Step 5: Solve for x
    x = 107,874,718,320.01/468,948.56
  6. Step 6: Final answer
    x = 230,035.29

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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.