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Finding the Fourth Proportional to 322,969,384.60, 484,566,051.30 and 141,346,907.80

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Solution

The fourth proportional to 322,969,384.60, 484,566,051.30 and 141,346,907.80 is: 212,069,367.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,969,384.60 : 484,566,051.30 = 141,346,907.80 : x
  2. Step 2: Convert to fraction form
    322,969,384.60/484,566,051.30 = 141,346,907.80/x
  3. Step 3: Cross multiply
    322,969,384.60x = 484,566,051.30 × 141,346,907.80
  4. Step 4: Simplify right side
    322,969,384.60x = 68,491,912,976,111,176
  5. Step 5: Solve for x
    x = 68,491,912,976,111,176/322,969,384.60
  6. Step 6: Final answer
    x = 212,069,367.07

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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.