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Finding the Fourth Proportional to 907,334,423.20, 1,361,001,634.80 and 907,334,423.20

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Solution

The fourth proportional to 907,334,423.20, 1,361,001,634.80 and 907,334,423.20 is: 1,361,001,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,334,423.20 : 1,361,001,634.80 = 907,334,423.20 : x
  2. Step 2: Convert to fraction form
    907,334,423.20/1,361,001,634.80 = 907,334,423.20/x
  3. Step 3: Cross multiply
    907,334,423.20x = 1,361,001,634.80 × 907,334,423.20
  4. Step 4: Simplify right side
    907,334,423.20x = 1,234,883,633,285,515,008
  5. Step 5: Solve for x
    x = 1,234,883,633,285,515,008/907,334,423.20
  6. Step 6: Final answer
    x = 1,361,001,634.80

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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.