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Finding the Fourth Proportional to 378,030.10, 566,389.05 and 244,841.80

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Solution

The fourth proportional to 378,030.10, 566,389.05 and 244,841.80 is: 366,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,030.10 : 566,389.05 = 244,841.80 : x
  2. Step 2: Convert to fraction form
    378,030.10/566,389.05 = 244,841.80/x
  3. Step 3: Cross multiply
    378,030.10x = 566,389.05 × 244,841.80
  4. Step 4: Simplify right side
    378,030.10x = 138,675,714,502.29
  5. Step 5: Solve for x
    x = 138,675,714,502.29/378,030.10
  6. Step 6: Final answer
    x = 366,837.76

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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.