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Finding the Fourth Proportional to 633,191.05, 873,794.91 and 346,711.13

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Solution

The fourth proportional to 633,191.05, 873,794.91 and 346,711.13 is: 478,456.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,191.05 : 873,794.91 = 346,711.13 : x
  2. Step 2: Convert to fraction form
    633,191.05/873,794.91 = 346,711.13/x
  3. Step 3: Cross multiply
    633,191.05x = 873,794.91 × 346,711.13
  4. Step 4: Simplify right side
    633,191.05x = 302,954,422,818.84
  5. Step 5: Solve for x
    x = 302,954,422,818.84/633,191.05
  6. Step 6: Final answer
    x = 478,456.58

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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.