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Finding the Fourth Proportional to 632,726.40, 873,162.42 and 346,246.58

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Solution

The fourth proportional to 632,726.40, 873,162.42 and 346,246.58 is: 477,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,726.40 : 873,162.42 = 346,246.58 : x
  2. Step 2: Convert to fraction form
    632,726.40/873,162.42 = 346,246.58/x
  3. Step 3: Cross multiply
    632,726.40x = 873,162.42 × 346,246.58
  4. Step 4: Simplify right side
    632,726.40x = 302,329,501,709.52
  5. Step 5: Solve for x
    x = 302,329,501,709.52/632,726.40
  6. Step 6: Final answer
    x = 477,820.27

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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.