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Finding the Fourth Proportional to 680,599.87, 1,020,892.84 and 175,158.87

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Solution

The fourth proportional to 680,599.87, 1,020,892.84 and 175,158.87 is: 262,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,599.87 : 1,020,892.84 = 175,158.87 : x
  2. Step 2: Convert to fraction form
    680,599.87/1,020,892.84 = 175,158.87/x
  3. Step 3: Cross multiply
    680,599.87x = 1,020,892.84 × 175,158.87
  4. Step 4: Simplify right side
    680,599.87x = 178,818,430,265.23
  5. Step 5: Solve for x
    x = 178,818,430,265.23/680,599.87
  6. Step 6: Final answer
    x = 262,736.51

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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.