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Finding the Fourth Proportional to 883,321.40, 1,322,357.70 and 883,321.40

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Solution

The fourth proportional to 883,321.40, 1,322,357.70 and 883,321.40 is: 1,322,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,321.40 : 1,322,357.70 = 883,321.40 : x
  2. Step 2: Convert to fraction form
    883,321.40/1,322,357.70 = 883,321.40/x
  3. Step 3: Cross multiply
    883,321.40x = 1,322,357.70 × 883,321.40
  4. Step 4: Simplify right side
    883,321.40x = 1,168,066,854,864.78
  5. Step 5: Solve for x
    x = 1,168,066,854,864.78/883,321.40
  6. Step 6: Final answer
    x = 1,322,357.70

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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.