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Finding the Fourth Proportional to 2,380,809.60, 3,565,965.60 and 2,065,881.60

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Solution

The fourth proportional to 2,380,809.60, 3,565,965.60 and 2,065,881.60 is: 3,094,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380,809.60 : 3,565,965.60 = 2,065,881.60 : x
  2. Step 2: Convert to fraction form
    2,380,809.60/3,565,965.60 = 2,065,881.60/x
  3. Step 3: Cross multiply
    2,380,809.60x = 3,565,965.60 × 2,065,881.60
  4. Step 4: Simplify right side
    2,380,809.60x = 7,366,862,719,272.96
  5. Step 5: Solve for x
    x = 7,366,862,719,272.96/2,380,809.60
  6. Step 6: Final answer
    x = 3,094,267.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.