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Finding the Fourth Proportional to 221,754,903.40, 332,632,355.10 and 221,754,903.40

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Solution

The fourth proportional to 221,754,903.40, 332,632,355.10 and 221,754,903.40 is: 332,632,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,754,903.40 : 332,632,355.10 = 221,754,903.40 : x
  2. Step 2: Convert to fraction form
    221,754,903.40/332,632,355.10 = 221,754,903.40/x
  3. Step 3: Cross multiply
    221,754,903.40x = 332,632,355.10 × 221,754,903.40
  4. Step 4: Simplify right side
    221,754,903.40x = 73,762,855,772,915,008
  5. Step 5: Solve for x
    x = 73,762,855,772,915,008/221,754,903.40
  6. Step 6: Final answer
    x = 332,632,355.10

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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.