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Finding the Fourth Proportional to 292,930.91, 404,239.30 and 165,606.54

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Solution

The fourth proportional to 292,930.91, 404,239.30 and 165,606.54 is: 228,534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,930.91 : 404,239.30 = 165,606.54 : x
  2. Step 2: Convert to fraction form
    292,930.91/404,239.30 = 165,606.54/x
  3. Step 3: Cross multiply
    292,930.91x = 404,239.30 × 165,606.54
  4. Step 4: Simplify right side
    292,930.91x = 66,944,671,805.02
  5. Step 5: Solve for x
    x = 66,944,671,805.02/292,930.91
  6. Step 6: Final answer
    x = 228,534.00

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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.