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Finding the Fourth Proportional to 659,620.10, 926,267.50 and 659,620.10

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Solution

The fourth proportional to 659,620.10, 926,267.50 and 659,620.10 is: 926,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,620.10 : 926,267.50 = 659,620.10 : x
  2. Step 2: Convert to fraction form
    659,620.10/926,267.50 = 659,620.10/x
  3. Step 3: Cross multiply
    659,620.10x = 926,267.50 × 659,620.10
  4. Step 4: Simplify right side
    659,620.10x = 610,984,660,976.75
  5. Step 5: Solve for x
    x = 610,984,660,976.75/659,620.10
  6. Step 6: Final answer
    x = 926,267.50

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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.