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Finding the Fourth Proportional to 209,952,225.70, 314,928,338.56 and 185,293,363.30

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Solution

The fourth proportional to 209,952,225.70, 314,928,338.56 and 185,293,363.30 is: 277,940,044.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,225.70 : 314,928,338.56 = 185,293,363.30 : x
  2. Step 2: Convert to fraction form
    209,952,225.70/314,928,338.56 = 185,293,363.30/x
  3. Step 3: Cross multiply
    209,952,225.70x = 314,928,338.56 × 185,293,363.30
  4. Step 4: Simplify right side
    209,952,225.70x = 58,354,131,050,263,480
  5. Step 5: Solve for x
    x = 58,354,131,050,263,480/209,952,225.70
  6. Step 6: Final answer
    x = 277,940,044.96

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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.