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Finding the Fourth Proportional to 625,918.96, 863,677.24 and 350,275.48

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Solution

The fourth proportional to 625,918.96, 863,677.24 and 350,275.48 is: 483,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,918.96 : 863,677.24 = 350,275.48 : x
  2. Step 2: Convert to fraction form
    625,918.96/863,677.24 = 350,275.48/x
  3. Step 3: Cross multiply
    625,918.96x = 863,677.24 × 350,275.48
  4. Step 4: Simplify right side
    625,918.96x = 302,524,959,806.08
  5. Step 5: Solve for x
    x = 302,524,959,806.08/625,918.96
  6. Step 6: Final answer
    x = 483,329.28

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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.