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Finding the Fourth Proportional to 468,726.72, 703,122.96 and 188,244

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Solution

The fourth proportional to 468,726.72, 703,122.96 and 188,244 is: 282,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,726.72 : 703,122.96 = 188,244 : x
  2. Step 2: Convert to fraction form
    468,726.72/703,122.96 = 188,244/x
  3. Step 3: Cross multiply
    468,726.72x = 703,122.96 × 188,244
  4. Step 4: Simplify right side
    468,726.72x = 132,358,678,482.24
  5. Step 5: Solve for x
    x = 132,358,678,482.24/468,726.72
  6. Step 6: Final answer
    x = 282,379.20

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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.