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Finding the Fourth Proportional to 888,580.80, 1,332,858.08 and 214,656.32

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Solution

The fourth proportional to 888,580.80, 1,332,858.08 and 214,656.32 is: 321,981.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,580.80 : 1,332,858.08 = 214,656.32 : x
  2. Step 2: Convert to fraction form
    888,580.80/1,332,858.08 = 214,656.32/x
  3. Step 3: Cross multiply
    888,580.80x = 1,332,858.08 × 214,656.32
  4. Step 4: Simplify right side
    888,580.80x = 286,106,410,535.07
  5. Step 5: Solve for x
    x = 286,106,410,535.07/888,580.80
  6. Step 6: Final answer
    x = 321,981.31

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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.