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Finding the Fourth Proportional to 667,530.60, 936,904.80 and 667,530.60

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Solution

The fourth proportional to 667,530.60, 936,904.80 and 667,530.60 is: 936,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,530.60 : 936,904.80 = 667,530.60 : x
  2. Step 2: Convert to fraction form
    667,530.60/936,904.80 = 667,530.60/x
  3. Step 3: Cross multiply
    667,530.60x = 936,904.80 × 667,530.60
  4. Step 4: Simplify right side
    667,530.60x = 625,412,623,286.88
  5. Step 5: Solve for x
    x = 625,412,623,286.88/667,530.60
  6. Step 6: Final answer
    x = 936,904.80

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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.