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Finding the Fourth Proportional to 633,213.24, 873,833.76 and 346,738.92

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Solution

The fourth proportional to 633,213.24, 873,833.76 and 346,738.92 is: 478,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,213.24 : 873,833.76 = 346,738.92 : x
  2. Step 2: Convert to fraction form
    633,213.24/873,833.76 = 346,738.92/x
  3. Step 3: Cross multiply
    633,213.24x = 873,833.76 × 346,738.92
  4. Step 4: Simplify right side
    633,213.24x = 302,992,174,201.94
  5. Step 5: Solve for x
    x = 302,992,174,201.94/633,213.24
  6. Step 6: Final answer
    x = 478,499.43

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1.5x scale

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.