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Finding the Fourth Proportional to 581,034.50, 871,584.54 and 207,057.50

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Solution

The fourth proportional to 581,034.50, 871,584.54 and 207,057.50 is: 310,597.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,034.50 : 871,584.54 = 207,057.50 : x
  2. Step 2: Convert to fraction form
    581,034.50/871,584.54 = 207,057.50/x
  3. Step 3: Cross multiply
    581,034.50x = 871,584.54 × 207,057.50
  4. Step 4: Simplify right side
    581,034.50x = 180,468,115,891.05
  5. Step 5: Solve for x
    x = 180,468,115,891.05/581,034.50
  6. Step 6: Final answer
    x = 310,597.94

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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.