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Finding the Fourth Proportional to 317,058.54, 475,781.04 and 127,483.36

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Solution

The fourth proportional to 317,058.54, 475,781.04 and 127,483.36 is: 191,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,058.54 : 475,781.04 = 127,483.36 : x
  2. Step 2: Convert to fraction form
    317,058.54/475,781.04 = 127,483.36/x
  3. Step 3: Cross multiply
    317,058.54x = 475,781.04 × 127,483.36
  4. Step 4: Simplify right side
    317,058.54x = 60,654,165,603.49
  5. Step 5: Solve for x
    x = 60,654,165,603.49/317,058.54
  6. Step 6: Final answer
    x = 191,302.73

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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.