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Finding the Fourth Proportional to 3,309,881.76, 4,964,822.88 and 1,066,019.76

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Solution

The fourth proportional to 3,309,881.76, 4,964,822.88 and 1,066,019.76 is: 1,599,029.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,881.76 : 4,964,822.88 = 1,066,019.76 : x
  2. Step 2: Convert to fraction form
    3,309,881.76/4,964,822.88 = 1,066,019.76/x
  3. Step 3: Cross multiply
    3,309,881.76x = 4,964,822.88 × 1,066,019.76
  4. Step 4: Simplify right side
    3,309,881.76x = 5,292,599,294,980.11
  5. Step 5: Solve for x
    x = 5,292,599,294,980.11/3,309,881.76
  6. Step 6: Final answer
    x = 1,599,029.72

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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.