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Finding the Fourth Proportional to 625,726.04, 938,764.02 and 205,297.16

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Solution

The fourth proportional to 625,726.04, 938,764.02 and 205,297.16 is: 308,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,726.04 : 938,764.02 = 205,297.16 : x
  2. Step 2: Convert to fraction form
    625,726.04/938,764.02 = 205,297.16/x
  3. Step 3: Cross multiply
    625,726.04x = 938,764.02 × 205,297.16
  4. Step 4: Simplify right side
    625,726.04x = 192,725,587,216.18
  5. Step 5: Solve for x
    x = 192,725,587,216.18/625,726.04
  6. Step 6: Final answer
    x = 308,003.14

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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.