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Finding the Fourth Proportional to 368,641.68, 552,943.08 and 181,590

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Solution

The fourth proportional to 368,641.68, 552,943.08 and 181,590 is: 272,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,641.68 : 552,943.08 = 181,590 : x
  2. Step 2: Convert to fraction form
    368,641.68/552,943.08 = 181,590/x
  3. Step 3: Cross multiply
    368,641.68x = 552,943.08 × 181,590
  4. Step 4: Simplify right side
    368,641.68x = 100,408,933,897.20
  5. Step 5: Solve for x
    x = 100,408,933,897.20/368,641.68
  6. Step 6: Final answer
    x = 272,375.42

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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.