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Finding the Fourth Proportional to 889,748.70, 1,334,623.05 and 848,414.40

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Solution

The fourth proportional to 889,748.70, 1,334,623.05 and 848,414.40 is: 1,272,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,748.70 : 1,334,623.05 = 848,414.40 : x
  2. Step 2: Convert to fraction form
    889,748.70/1,334,623.05 = 848,414.40/x
  3. Step 3: Cross multiply
    889,748.70x = 1,334,623.05 × 848,414.40
  4. Step 4: Simplify right side
    889,748.70x = 1,132,313,414,191.92
  5. Step 5: Solve for x
    x = 1,132,313,414,191.92/889,748.70
  6. Step 6: Final answer
    x = 1,272,621.60

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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.