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Finding the Fourth Proportional to 407,700.56, 611,089.44 and 207,598.26

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Solution

The fourth proportional to 407,700.56, 611,089.44 and 207,598.26 is: 311,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,700.56 : 611,089.44 = 207,598.26 : x
  2. Step 2: Convert to fraction form
    407,700.56/611,089.44 = 207,598.26/x
  3. Step 3: Cross multiply
    407,700.56x = 611,089.44 × 207,598.26
  4. Step 4: Simplify right side
    407,700.56x = 126,861,104,448.37
  5. Step 5: Solve for x
    x = 126,861,104,448.37/407,700.56
  6. Step 6: Final answer
    x = 311,162.45

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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.