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Finding the Fourth Proportional to 3,669,393.60, 5,505,402.60 and 1,540,130.40

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Solution

The fourth proportional to 3,669,393.60, 5,505,402.60 and 1,540,130.40 is: 2,310,746.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,393.60 : 5,505,402.60 = 1,540,130.40 : x
  2. Step 2: Convert to fraction form
    3,669,393.60/5,505,402.60 = 1,540,130.40/x
  3. Step 3: Cross multiply
    3,669,393.60x = 5,505,402.60 × 1,540,130.40
  4. Step 4: Simplify right side
    3,669,393.60x = 8,479,037,908,499.04
  5. Step 5: Solve for x
    x = 8,479,037,908,499.04/3,669,393.60
  6. Step 6: Final answer
    x = 2,310,746.36

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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.