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Finding the Fourth Proportional to 3,584,606.60, 5,376,909.90 and 3,223,800.20

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Solution

The fourth proportional to 3,584,606.60, 5,376,909.90 and 3,223,800.20 is: 4,835,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584,606.60 : 5,376,909.90 = 3,223,800.20 : x
  2. Step 2: Convert to fraction form
    3,584,606.60/5,376,909.90 = 3,223,800.20/x
  3. Step 3: Cross multiply
    3,584,606.60x = 5,376,909.90 × 3,223,800.20
  4. Step 4: Simplify right side
    3,584,606.60x = 17,334,083,211,001.98
  5. Step 5: Solve for x
    x = 17,334,083,211,001.98/3,584,606.60
  6. Step 6: Final answer
    x = 4,835,700.30

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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.