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Finding the Fourth Proportional to 368,623.68, 552,916.08 and 181,572

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Solution

The fourth proportional to 368,623.68, 552,916.08 and 181,572 is: 272,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,623.68 : 552,916.08 = 181,572 : x
  2. Step 2: Convert to fraction form
    368,623.68/552,916.08 = 181,572/x
  3. Step 3: Cross multiply
    368,623.68x = 552,916.08 × 181,572
  4. Step 4: Simplify right side
    368,623.68x = 100,394,078,477.76
  5. Step 5: Solve for x
    x = 100,394,078,477.76/368,623.68
  6. Step 6: Final answer
    x = 272,348.42

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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.