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Finding the Fourth Proportional to 481,482.63, 721,605.81 and 181,606.05

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Solution

The fourth proportional to 481,482.63, 721,605.81 and 181,606.05 is: 272,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,482.63 : 721,605.81 = 181,606.05 : x
  2. Step 2: Convert to fraction form
    481,482.63/721,605.81 = 181,606.05/x
  3. Step 3: Cross multiply
    481,482.63x = 721,605.81 × 181,606.05
  4. Step 4: Simplify right side
    481,482.63x = 131,047,981,492.17
  5. Step 5: Solve for x
    x = 131,047,981,492.17/481,482.63
  6. Step 6: Final answer
    x = 272,175.93

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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.