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Finding the Fourth Proportional to 423,876.76, 636,033.33 and 234,301.93

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Solution

The fourth proportional to 423,876.76, 636,033.33 and 234,301.93 is: 351,573.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,876.76 : 636,033.33 = 234,301.93 : x
  2. Step 2: Convert to fraction form
    423,876.76/636,033.33 = 234,301.93/x
  3. Step 3: Cross multiply
    423,876.76x = 636,033.33 × 234,301.93
  4. Step 4: Simplify right side
    423,876.76x = 149,023,835,173.24
  5. Step 5: Solve for x
    x = 149,023,835,173.24/423,876.76
  6. Step 6: Final answer
    x = 351,573.50

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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.