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Finding the Fourth Proportional to 625,110, 937,820.52 and 181,878

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Solution

The fourth proportional to 625,110, 937,820.52 and 181,878 is: 272,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,110 : 937,820.52 = 181,878 : x
  2. Step 2: Convert to fraction form
    625,110/937,820.52 = 181,878/x
  3. Step 3: Cross multiply
    625,110x = 937,820.52 × 181,878
  4. Step 4: Simplify right side
    625,110x = 170,568,920,536.56
  5. Step 5: Solve for x
    x = 170,568,920,536.56/625,110
  6. Step 6: Final answer
    x = 272,862.25

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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.