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Finding the Fourth Proportional to 660,622.60, 926,115.80 and 660,622.60

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Solution

The fourth proportional to 660,622.60, 926,115.80 and 660,622.60 is: 926,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,622.60 : 926,115.80 = 660,622.60 : x
  2. Step 2: Convert to fraction form
    660,622.60/926,115.80 = 660,622.60/x
  3. Step 3: Cross multiply
    660,622.60x = 926,115.80 × 660,622.60
  4. Step 4: Simplify right side
    660,622.60x = 611,813,027,697.08
  5. Step 5: Solve for x
    x = 611,813,027,697.08/660,622.60
  6. Step 6: Final answer
    x = 926,115.80

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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.