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Finding the Fourth Proportional to 293,387.10, 440,080.65 and 188,411.10

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Solution

The fourth proportional to 293,387.10, 440,080.65 and 188,411.10 is: 282,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,387.10 : 440,080.65 = 188,411.10 : x
  2. Step 2: Convert to fraction form
    293,387.10/440,080.65 = 188,411.10/x
  3. Step 3: Cross multiply
    293,387.10x = 440,080.65 × 188,411.10
  4. Step 4: Simplify right side
    293,387.10x = 82,916,079,355.22
  5. Step 5: Solve for x
    x = 82,916,079,355.22/293,387.10
  6. Step 6: Final answer
    x = 282,616.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.