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Finding the Fourth Proportional to 536,806.68, 740,809.80 and 295,107.72

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Solution

The fourth proportional to 536,806.68, 740,809.80 and 295,107.72 is: 407,257.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,806.68 : 740,809.80 = 295,107.72 : x
  2. Step 2: Convert to fraction form
    536,806.68/740,809.80 = 295,107.72/x
  3. Step 3: Cross multiply
    536,806.68x = 740,809.80 × 295,107.72
  4. Step 4: Simplify right side
    536,806.68x = 218,618,691,031.66
  5. Step 5: Solve for x
    x = 218,618,691,031.66/536,806.68
  6. Step 6: Final answer
    x = 407,257.77

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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.