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Finding the Fourth Proportional to 485,058.77, 727,554.27 and 181,395.14

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Solution

The fourth proportional to 485,058.77, 727,554.27 and 181,395.14 is: 272,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,058.77 : 727,554.27 = 181,395.14 : x
  2. Step 2: Convert to fraction form
    485,058.77/727,554.27 = 181,395.14/x
  3. Step 3: Cross multiply
    485,058.77x = 727,554.27 × 181,395.14
  4. Step 4: Simplify right side
    485,058.77x = 131,974,805,026.48
  5. Step 5: Solve for x
    x = 131,974,805,026.48/485,058.77
  6. Step 6: Final answer
    x = 272,080.03

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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.