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Finding the Fourth Proportional to 359,555.10, 539,082.51 and 181,940.63

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Solution

The fourth proportional to 359,555.10, 539,082.51 and 181,940.63 is: 272,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,555.10 : 539,082.51 = 181,940.63 : x
  2. Step 2: Convert to fraction form
    359,555.10/539,082.51 = 181,940.63/x
  3. Step 3: Cross multiply
    359,555.10x = 539,082.51 × 181,940.63
  4. Step 4: Simplify right side
    359,555.10x = 98,081,012,681.15
  5. Step 5: Solve for x
    x = 98,081,012,681.15/359,555.10
  6. Step 6: Final answer
    x = 272,784.37

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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.