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Finding the Fourth Proportional to 625,916.95, 863,674.49 and 350,273.47

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Solution

The fourth proportional to 625,916.95, 863,674.49 and 350,273.47 is: 483,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,916.95 : 863,674.49 = 350,273.47 : x
  2. Step 2: Convert to fraction form
    625,916.95/863,674.49 = 350,273.47/x
  3. Step 3: Cross multiply
    625,916.95x = 863,674.49 × 350,273.47
  4. Step 4: Simplify right side
    625,916.95x = 302,522,260,562.78
  5. Step 5: Solve for x
    x = 302,522,260,562.78/625,916.95
  6. Step 6: Final answer
    x = 483,326.52

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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.