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Finding the Fourth Proportional to 336,964,352, 505,446,528 and 81,662,720

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Solution

The fourth proportional to 336,964,352, 505,446,528 and 81,662,720 is: 122,494,080

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,964,352 : 505,446,528 = 81,662,720 : x
  2. Step 2: Convert to fraction form
    336,964,352/505,446,528 = 81,662,720/x
  3. Step 3: Cross multiply
    336,964,352x = 505,446,528 × 81,662,720
  4. Step 4: Simplify right side
    336,964,352x = 41,276,138,291,036,160
  5. Step 5: Solve for x
    x = 41,276,138,291,036,160/336,964,352
  6. Step 6: Final answer
    x = 122,494,080

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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.