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Finding the Fourth Proportional to 6,664,203.03, 9,996,304.55 and 1,615,513.53

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Solution

The fourth proportional to 6,664,203.03, 9,996,304.55 and 1,615,513.53 is: 2,423,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664,203.03 : 9,996,304.55 = 1,615,513.53 : x
  2. Step 2: Convert to fraction form
    6,664,203.03/9,996,304.55 = 1,615,513.53/x
  3. Step 3: Cross multiply
    6,664,203.03x = 9,996,304.55 × 1,615,513.53
  4. Step 4: Simplify right side
    6,664,203.03x = 16,149,165,250,525.56
  5. Step 5: Solve for x
    x = 16,149,165,250,525.56/6,664,203.03
  6. Step 6: Final answer
    x = 2,423,270.30

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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.