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Finding the Fourth Proportional to 632,726.63, 873,162.80 and 346,246.73

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Solution

The fourth proportional to 632,726.63, 873,162.80 and 346,246.73 is: 477,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,726.63 : 873,162.80 = 346,246.73 : x
  2. Step 2: Convert to fraction form
    632,726.63/873,162.80 = 346,246.73/x
  3. Step 3: Cross multiply
    632,726.63x = 873,162.80 × 346,246.73
  4. Step 4: Simplify right side
    632,726.63x = 302,329,764,257.64
  5. Step 5: Solve for x
    x = 302,329,764,257.64/632,726.63
  6. Step 6: Final answer
    x = 477,820.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.