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Finding the Fourth Proportional to 531,642.36, 733,650.04 and 302,224.72

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Solution

The fourth proportional to 531,642.36, 733,650.04 and 302,224.72 is: 417,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,642.36 : 733,650.04 = 302,224.72 : x
  2. Step 2: Convert to fraction form
    531,642.36/733,650.04 = 302,224.72/x
  3. Step 3: Cross multiply
    531,642.36x = 733,650.04 × 302,224.72
  4. Step 4: Simplify right side
    531,642.36x = 221,727,177,916.99
  5. Step 5: Solve for x
    x = 221,727,177,916.99/531,642.36
  6. Step 6: Final answer
    x = 417,060.78

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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.