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Finding the Fourth Proportional to 889,709.70, 1,334,564.55 and 848,375.40

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Solution

The fourth proportional to 889,709.70, 1,334,564.55 and 848,375.40 is: 1,272,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,709.70 : 1,334,564.55 = 848,375.40 : x
  2. Step 2: Convert to fraction form
    889,709.70/1,334,564.55 = 848,375.40/x
  3. Step 3: Cross multiply
    889,709.70x = 1,334,564.55 × 848,375.40
  4. Step 4: Simplify right side
    889,709.70x = 1,132,211,733,932.07
  5. Step 5: Solve for x
    x = 1,132,211,733,932.07/889,709.70
  6. Step 6: Final answer
    x = 1,272,563.10

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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.