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Finding the Fourth Proportional to 664,327.30, 927,958.70 and 664,327.30

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Solution

The fourth proportional to 664,327.30, 927,958.70 and 664,327.30 is: 927,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,327.30 : 927,958.70 = 664,327.30 : x
  2. Step 2: Convert to fraction form
    664,327.30/927,958.70 = 664,327.30/x
  3. Step 3: Cross multiply
    664,327.30x = 927,958.70 × 664,327.30
  4. Step 4: Simplify right side
    664,327.30x = 616,468,297,682.51
  5. Step 5: Solve for x
    x = 616,468,297,682.51/664,327.30
  6. Step 6: Final answer
    x = 927,958.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.