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Finding the Fourth Proportional to 606,926.68, 910,572.24 and 287,322.12

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Solution

The fourth proportional to 606,926.68, 910,572.24 and 287,322.12 is: 431,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,926.68 : 910,572.24 = 287,322.12 : x
  2. Step 2: Convert to fraction form
    606,926.68/910,572.24 = 287,322.12/x
  3. Step 3: Cross multiply
    606,926.68x = 910,572.24 × 287,322.12
  4. Step 4: Simplify right side
    606,926.68x = 261,627,546,409.95
  5. Step 5: Solve for x
    x = 261,627,546,409.95/606,926.68
  6. Step 6: Final answer
    x = 431,069.44

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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.