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Finding the Fourth Proportional to 452,864.22, 624,293.97 and 316,474.71

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Solution

The fourth proportional to 452,864.22, 624,293.97 and 316,474.71 is: 436,274.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,864.22 : 624,293.97 = 316,474.71 : x
  2. Step 2: Convert to fraction form
    452,864.22/624,293.97 = 316,474.71/x
  3. Step 3: Cross multiply
    452,864.22x = 624,293.97 × 316,474.71
  4. Step 4: Simplify right side
    452,864.22x = 197,573,253,110.50
  5. Step 5: Solve for x
    x = 197,573,253,110.50/452,864.22
  6. Step 6: Final answer
    x = 436,274.81

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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.