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Finding the Fourth Proportional to 975,906.30, 1,463,859.45 and 641,063.10

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Solution

The fourth proportional to 975,906.30, 1,463,859.45 and 641,063.10 is: 961,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,906.30 : 1,463,859.45 = 641,063.10 : x
  2. Step 2: Convert to fraction form
    975,906.30/1,463,859.45 = 641,063.10/x
  3. Step 3: Cross multiply
    975,906.30x = 1,463,859.45 × 641,063.10
  4. Step 4: Simplify right side
    975,906.30x = 938,426,276,981.30
  5. Step 5: Solve for x
    x = 938,426,276,981.30/975,906.30
  6. Step 6: Final answer
    x = 961,594.65

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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.