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Finding the Fourth Proportional to 221,475,005.40, 332,212,508.10 and 221,475,005.40

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Solution

The fourth proportional to 221,475,005.40, 332,212,508.10 and 221,475,005.40 is: 332,212,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,475,005.40 : 332,212,508.10 = 221,475,005.40 : x
  2. Step 2: Convert to fraction form
    221,475,005.40/332,212,508.10 = 221,475,005.40/x
  3. Step 3: Cross multiply
    221,475,005.40x = 332,212,508.10 × 221,475,005.40
  4. Step 4: Simplify right side
    221,475,005.40x = 73,576,767,025,395,056
  5. Step 5: Solve for x
    x = 73,576,767,025,395,056/221,475,005.40
  6. Step 6: Final answer
    x = 332,212,508.10

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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.