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Finding the Fourth Proportional to 536,555.10, 804,541.05 and 181,386.30

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Solution

The fourth proportional to 536,555.10, 804,541.05 and 181,386.30 is: 271,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,555.10 : 804,541.05 = 181,386.30 : x
  2. Step 2: Convert to fraction form
    536,555.10/804,541.05 = 181,386.30/x
  3. Step 3: Cross multiply
    536,555.10x = 804,541.05 × 181,386.30
  4. Step 4: Simplify right side
    536,555.10x = 145,932,724,257.62
  5. Step 5: Solve for x
    x = 145,932,724,257.62/536,555.10
  6. Step 6: Final answer
    x = 271,980.87

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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.