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Finding the Fourth Proportional to 5,658,326.16, 8,488,096.64 and 2,420,200.16

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Solution

The fourth proportional to 5,658,326.16, 8,488,096.64 and 2,420,200.16 is: 3,630,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658,326.16 : 8,488,096.64 = 2,420,200.16 : x
  2. Step 2: Convert to fraction form
    5,658,326.16/8,488,096.64 = 2,420,200.16/x
  3. Step 3: Cross multiply
    5,658,326.16x = 8,488,096.64 × 2,420,200.16
  4. Step 4: Simplify right side
    5,658,326.16x = 20,542,892,846,223.46
  5. Step 5: Solve for x
    x = 20,542,892,846,223.46/5,658,326.16
  6. Step 6: Final answer
    x = 3,630,560.04

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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.