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Finding the Fourth Proportional to 402,296.26, 603,444.37 and 102,777.49

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Solution

The fourth proportional to 402,296.26, 603,444.37 and 102,777.49 is: 154,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,296.26 : 603,444.37 = 102,777.49 : x
  2. Step 2: Convert to fraction form
    402,296.26/603,444.37 = 102,777.49/x
  3. Step 3: Cross multiply
    402,296.26x = 603,444.37 × 102,777.49
  4. Step 4: Simplify right side
    402,296.26x = 62,020,497,703.23
  5. Step 5: Solve for x
    x = 62,020,497,703.23/402,296.26
  6. Step 6: Final answer
    x = 154,166.23

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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.