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Finding the Fourth Proportional to 200,204,034.40, 280,688,756 and 200,204,034.40

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Solution

The fourth proportional to 200,204,034.40, 280,688,756 and 200,204,034.40 is: 280,688,756

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,204,034.40 : 280,688,756 = 200,204,034.40 : x
  2. Step 2: Convert to fraction form
    200,204,034.40/280,688,756 = 200,204,034.40/x
  3. Step 3: Cross multiply
    200,204,034.40x = 280,688,756 × 200,204,034.40
  4. Step 4: Simplify right side
    200,204,034.40x = 56,195,021,361,917,208
  5. Step 5: Solve for x
    x = 56,195,021,361,917,208/200,204,034.40
  6. Step 6: Final answer
    x = 280,688,756

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.