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Finding the Fourth Proportional to 659,427.90, 925,065.30 and 659,427.90

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Solution

The fourth proportional to 659,427.90, 925,065.30 and 659,427.90 is: 925,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,427.90 : 925,065.30 = 659,427.90 : x
  2. Step 2: Convert to fraction form
    659,427.90/925,065.30 = 659,427.90/x
  3. Step 3: Cross multiply
    659,427.90x = 925,065.30 × 659,427.90
  4. Step 4: Simplify right side
    659,427.90x = 610,013,868,141.87
  5. Step 5: Solve for x
    x = 610,013,868,141.87/659,427.90
  6. Step 6: Final answer
    x = 925,065.30

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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.