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Finding the Fourth Proportional to 2,935,246.40, 4,395,871.20 and 2,935,246.40

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Solution

The fourth proportional to 2,935,246.40, 4,395,871.20 and 2,935,246.40 is: 4,395,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935,246.40 : 4,395,871.20 = 2,935,246.40 : x
  2. Step 2: Convert to fraction form
    2,935,246.40/4,395,871.20 = 2,935,246.40/x
  3. Step 3: Cross multiply
    2,935,246.40x = 4,395,871.20 × 2,935,246.40
  4. Step 4: Simplify right side
    2,935,246.40x = 12,902,965,114,663.68
  5. Step 5: Solve for x
    x = 12,902,965,114,663.68/2,935,246.40
  6. Step 6: Final answer
    x = 4,395,871.20

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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.