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Finding the Fourth Proportional to 633,248.68, 873,856.92 and 346,763.83

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Solution

The fourth proportional to 633,248.68, 873,856.92 and 346,763.83 is: 478,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,248.68 : 873,856.92 = 346,763.83 : x
  2. Step 2: Convert to fraction form
    633,248.68/873,856.92 = 346,763.83/x
  3. Step 3: Cross multiply
    633,248.68x = 873,856.92 × 346,763.83
  4. Step 4: Simplify right side
    633,248.68x = 303,021,972,451.20
  5. Step 5: Solve for x
    x = 303,021,972,451.20/633,248.68
  6. Step 6: Final answer
    x = 478,519.71

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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.