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Finding the Fourth Proportional to 352,806.54, 486,877.19 and 191,664.14

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Solution

The fourth proportional to 352,806.54, 486,877.19 and 191,664.14 is: 264,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,806.54 : 486,877.19 = 191,664.14 : x
  2. Step 2: Convert to fraction form
    352,806.54/486,877.19 = 191,664.14/x
  3. Step 3: Cross multiply
    352,806.54x = 486,877.19 × 191,664.14
  4. Step 4: Simplify right side
    352,806.54x = 93,316,894,514.26
  5. Step 5: Solve for x
    x = 93,316,894,514.26/352,806.54
  6. Step 6: Final answer
    x = 264,498.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.