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Finding the Fourth Proportional to 292,521.30, 438,828.33 and 112,600.44

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Solution

The fourth proportional to 292,521.30, 438,828.33 and 112,600.44 is: 168,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,521.30 : 438,828.33 = 112,600.44 : x
  2. Step 2: Convert to fraction form
    292,521.30/438,828.33 = 112,600.44/x
  3. Step 3: Cross multiply
    292,521.30x = 438,828.33 × 112,600.44
  4. Step 4: Simplify right side
    292,521.30x = 49,412,263,042.47
  5. Step 5: Solve for x
    x = 49,412,263,042.47/292,521.30
  6. Step 6: Final answer
    x = 168,918.51

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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.