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Finding the Fourth Proportional to 607,605.39, 910,785.96 and 252,825.39

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Solution

The fourth proportional to 607,605.39, 910,785.96 and 252,825.39 is: 378,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,605.39 : 910,785.96 = 252,825.39 : x
  2. Step 2: Convert to fraction form
    607,605.39/910,785.96 = 252,825.39/x
  3. Step 3: Cross multiply
    607,605.39x = 910,785.96 × 252,825.39
  4. Step 4: Simplify right side
    607,605.39x = 230,269,815,543.52
  5. Step 5: Solve for x
    x = 230,269,815,543.52/607,605.39
  6. Step 6: Final answer
    x = 378,979.22

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1.5x scale

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.