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Finding the Fourth Proportional to 659,715.90, 925,468.50 and 659,715.90

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Solution

The fourth proportional to 659,715.90, 925,468.50 and 659,715.90 is: 925,468.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,715.90 : 925,468.50 = 659,715.90 : x
  2. Step 2: Convert to fraction form
    659,715.90/925,468.50 = 659,715.90/x
  3. Step 3: Cross multiply
    659,715.90x = 925,468.50 × 659,715.90
  4. Step 4: Simplify right side
    659,715.90x = 610,546,284,399.15
  5. Step 5: Solve for x
    x = 610,546,284,399.15/659,715.90
  6. Step 6: Final answer
    x = 925,468.50

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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.