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Finding the Fourth Proportional to 626,732.97, 864,034.61 and 430,493.46

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Solution

The fourth proportional to 626,732.97, 864,034.61 and 430,493.46 is: 593,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,732.97 : 864,034.61 = 430,493.46 : x
  2. Step 2: Convert to fraction form
    626,732.97/864,034.61 = 430,493.46/x
  3. Step 3: Cross multiply
    626,732.97x = 864,034.61 × 430,493.46
  4. Step 4: Simplify right side
    626,732.97x = 371,961,248,818.65
  5. Step 5: Solve for x
    x = 371,961,248,818.65/626,732.97
  6. Step 6: Final answer
    x = 593,492.39

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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.