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Finding the Fourth Proportional to 632,716.80, 873,149.25 and 346,236.94

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Solution

The fourth proportional to 632,716.80, 873,149.25 and 346,236.94 is: 477,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,716.80 : 873,149.25 = 346,236.94 : x
  2. Step 2: Convert to fraction form
    632,716.80/873,149.25 = 346,236.94/x
  3. Step 3: Cross multiply
    632,716.80x = 873,149.25 × 346,236.94
  4. Step 4: Simplify right side
    632,716.80x = 302,316,524,483.30
  5. Step 5: Solve for x
    x = 302,316,524,483.30/632,716.80
  6. Step 6: Final answer
    x = 477,807.01

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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.