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Finding the Fourth Proportional to 233,210.62, 349,815.93 and 221,879.26

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Solution

The fourth proportional to 233,210.62, 349,815.93 and 221,879.26 is: 332,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,210.62 : 349,815.93 = 221,879.26 : x
  2. Step 2: Convert to fraction form
    233,210.62/349,815.93 = 221,879.26/x
  3. Step 3: Cross multiply
    233,210.62x = 349,815.93 × 221,879.26
  4. Step 4: Simplify right side
    233,210.62x = 77,616,899,684.61
  5. Step 5: Solve for x
    x = 77,616,899,684.61/233,210.62
  6. Step 6: Final answer
    x = 332,818.89

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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.