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Finding the Fourth Proportional to 993,606.40, 1,490,409.60 and 894,073.60

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Solution

The fourth proportional to 993,606.40, 1,490,409.60 and 894,073.60 is: 1,341,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,606.40 : 1,490,409.60 = 894,073.60 : x
  2. Step 2: Convert to fraction form
    993,606.40/1,490,409.60 = 894,073.60/x
  3. Step 3: Cross multiply
    993,606.40x = 1,490,409.60 × 894,073.60
  4. Step 4: Simplify right side
    993,606.40x = 1,332,535,876,546.56
  5. Step 5: Solve for x
    x = 1,332,535,876,546.56/993,606.40
  6. Step 6: Final answer
    x = 1,341,110.40

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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.