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Finding the Fourth Proportional to 1,555,725, 2,333,981.16 and 433,794

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Solution

The fourth proportional to 1,555,725, 2,333,981.16 and 433,794 is: 650,800.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,725 : 2,333,981.16 = 433,794 : x
  2. Step 2: Convert to fraction form
    1,555,725/2,333,981.16 = 433,794/x
  3. Step 3: Cross multiply
    1,555,725x = 2,333,981.16 × 433,794
  4. Step 4: Simplify right side
    1,555,725x = 1,012,467,023,321.04
  5. Step 5: Solve for x
    x = 1,012,467,023,321.04/1,555,725
  6. Step 6: Final answer
    x = 650,800.77

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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.