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Finding the Fourth Proportional to 379,544.79, 523,756.08 and 226,607.88

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Solution

The fourth proportional to 379,544.79, 523,756.08 and 226,607.88 is: 312,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,544.79 : 523,756.08 = 226,607.88 : x
  2. Step 2: Convert to fraction form
    379,544.79/523,756.08 = 226,607.88/x
  3. Step 3: Cross multiply
    379,544.79x = 523,756.08 × 226,607.88
  4. Step 4: Simplify right side
    379,544.79x = 118,687,254,925.91
  5. Step 5: Solve for x
    x = 118,687,254,925.91/379,544.79
  6. Step 6: Final answer
    x = 312,709.48

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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.