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Finding the Fourth Proportional to 269,698,812.70, 404,548,219.05 and 188,069,475.10

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Solution

The fourth proportional to 269,698,812.70, 404,548,219.05 and 188,069,475.10 is: 282,104,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,698,812.70 : 404,548,219.05 = 188,069,475.10 : x
  2. Step 2: Convert to fraction form
    269,698,812.70/404,548,219.05 = 188,069,475.10/x
  3. Step 3: Cross multiply
    269,698,812.70x = 404,548,219.05 × 188,069,475.10
  4. Step 4: Simplify right side
    269,698,812.70x = 76,083,171,209,373,328
  5. Step 5: Solve for x
    x = 76,083,171,209,373,328/269,698,812.70
  6. Step 6: Final answer
    x = 282,104,212.65

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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.