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Finding the Fourth Proportional to 889,737.10, 1,334,605.65 and 881,442.70

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Solution

The fourth proportional to 889,737.10, 1,334,605.65 and 881,442.70 is: 1,322,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,737.10 : 1,334,605.65 = 881,442.70 : x
  2. Step 2: Convert to fraction form
    889,737.10/1,334,605.65 = 881,442.70/x
  3. Step 3: Cross multiply
    889,737.10x = 1,334,605.65 × 881,442.70
  4. Step 4: Simplify right side
    889,737.10x = 1,176,378,407,571.25
  5. Step 5: Solve for x
    x = 1,176,378,407,571.25/889,737.10
  6. Step 6: Final answer
    x = 1,322,164.05

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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.