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Finding the Fourth Proportional to 704,958.39, 970,383.78 and 608,468.22

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Solution

The fourth proportional to 704,958.39, 970,383.78 and 608,468.22 is: 837,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,958.39 : 970,383.78 = 608,468.22 : x
  2. Step 2: Convert to fraction form
    704,958.39/970,383.78 = 608,468.22/x
  3. Step 3: Cross multiply
    704,958.39x = 970,383.78 × 608,468.22
  4. Step 4: Simplify right side
    704,958.39x = 590,447,691,333.47
  5. Step 5: Solve for x
    x = 590,447,691,333.47/704,958.39
  6. Step 6: Final answer
    x = 837,563.89

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1.5x scale

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.