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Finding the Fourth Proportional to 214,687.97, 321,533.64 and 207,214.80

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Solution

The fourth proportional to 214,687.97, 321,533.64 and 207,214.80 is: 310,341.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,687.97 : 321,533.64 = 207,214.80 : x
  2. Step 2: Convert to fraction form
    214,687.97/321,533.64 = 207,214.80/x
  3. Step 3: Cross multiply
    214,687.97x = 321,533.64 × 207,214.80
  4. Step 4: Simplify right side
    214,687.97x = 66,626,528,905.87
  5. Step 5: Solve for x
    x = 66,626,528,905.87/214,687.97
  6. Step 6: Final answer
    x = 310,341.24

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1.5x scale

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.