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Finding the Fourth Proportional to 295,949,911.30, 415,010,120.30 and 295,949,911.30

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Solution

The fourth proportional to 295,949,911.30, 415,010,120.30 and 295,949,911.30 is: 415,010,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,949,911.30 : 415,010,120.30 = 295,949,911.30 : x
  2. Step 2: Convert to fraction form
    295,949,911.30/415,010,120.30 = 295,949,911.30/x
  3. Step 3: Cross multiply
    295,949,911.30x = 415,010,120.30 × 295,949,911.30
  4. Step 4: Simplify right side
    295,949,911.30x = 122,822,208,291,387,344
  5. Step 5: Solve for x
    x = 122,822,208,291,387,344/295,949,911.30
  6. Step 6: Final answer
    x = 415,010,120.30

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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.