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Finding the Fourth Proportional to 333,721.70, 500,726.55 and 193,600.10

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Solution

The fourth proportional to 333,721.70, 500,726.55 and 193,600.10 is: 290,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,721.70 : 500,726.55 = 193,600.10 : x
  2. Step 2: Convert to fraction form
    333,721.70/500,726.55 = 193,600.10/x
  3. Step 3: Cross multiply
    333,721.70x = 500,726.55 × 193,600.10
  4. Step 4: Simplify right side
    333,721.70x = 96,940,710,152.66
  5. Step 5: Solve for x
    x = 96,940,710,152.66/333,721.70
  6. Step 6: Final answer
    x = 290,483.69

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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.