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Finding the Fourth Proportional to 632,697.30, 873,122.25 and 346,217.41

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Solution

The fourth proportional to 632,697.30, 873,122.25 and 346,217.41 is: 477,780.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,697.30 : 873,122.25 = 346,217.41 : x
  2. Step 2: Convert to fraction form
    632,697.30/873,122.25 = 346,217.41/x
  3. Step 3: Cross multiply
    632,697.30x = 873,122.25 × 346,217.41
  4. Step 4: Simplify right side
    632,697.30x = 302,290,124,008.37
  5. Step 5: Solve for x
    x = 302,290,124,008.37/632,697.30
  6. Step 6: Final answer
    x = 477,780.01

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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.