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Finding the Fourth Proportional to 437,066, 655,988.37 and 223,979.02

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Solution

The fourth proportional to 437,066, 655,988.37 and 223,979.02 is: 336,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,066 : 655,988.37 = 223,979.02 : x
  2. Step 2: Convert to fraction form
    437,066/655,988.37 = 223,979.02/x
  3. Step 3: Cross multiply
    437,066x = 655,988.37 × 223,979.02
  4. Step 4: Simplify right side
    437,066x = 146,927,632,244.00
  5. Step 5: Solve for x
    x = 146,927,632,244.00/437,066
  6. Step 6: Final answer
    x = 336,168.07

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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.