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Finding the Fourth Proportional to 519,058.76, 778,583.48 and 164,073.02

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Solution

The fourth proportional to 519,058.76, 778,583.48 and 164,073.02 is: 246,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,058.76 : 778,583.48 = 164,073.02 : x
  2. Step 2: Convert to fraction form
    519,058.76/778,583.48 = 164,073.02/x
  3. Step 3: Cross multiply
    519,058.76x = 778,583.48 × 164,073.02
  4. Step 4: Simplify right side
    519,058.76x = 127,744,538,172.43
  5. Step 5: Solve for x
    x = 127,744,538,172.43/519,058.76
  6. Step 6: Final answer
    x = 246,108.05

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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.