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Finding the Fourth Proportional to 782,568, 1,174,252.34 and 372,701.34

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Solution

The fourth proportional to 782,568, 1,174,252.34 and 372,701.34 is: 559,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,568 : 1,174,252.34 = 372,701.34 : x
  2. Step 2: Convert to fraction form
    782,568/1,174,252.34 = 372,701.34/x
  3. Step 3: Cross multiply
    782,568x = 1,174,252.34 × 372,701.34
  4. Step 4: Simplify right side
    782,568x = 437,645,420,616.14
  5. Step 5: Solve for x
    x = 437,645,420,616.14/782,568
  6. Step 6: Final answer
    x = 559,242.67

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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.