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Finding the Fourth Proportional to 625,606.83, 936,894.85 and 432,941.39

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Solution

The fourth proportional to 625,606.83, 936,894.85 and 432,941.39 is: 648,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,606.83 : 936,894.85 = 432,941.39 : x
  2. Step 2: Convert to fraction form
    625,606.83/936,894.85 = 432,941.39/x
  3. Step 3: Cross multiply
    625,606.83x = 936,894.85 × 432,941.39
  4. Step 4: Simplify right side
    625,606.83x = 405,620,556,478.14
  5. Step 5: Solve for x
    x = 405,620,556,478.14/625,606.83
  6. Step 6: Final answer
    x = 648,363.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.