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Finding the Fourth Proportional to 896,740.28, 1,237,500.46 and 494,339

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Solution

The fourth proportional to 896,740.28, 1,237,500.46 and 494,339 is: 682,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,740.28 : 1,237,500.46 = 494,339 : x
  2. Step 2: Convert to fraction form
    896,740.28/1,237,500.46 = 494,339/x
  3. Step 3: Cross multiply
    896,740.28x = 1,237,500.46 × 494,339
  4. Step 4: Simplify right side
    896,740.28x = 611,744,739,895.94
  5. Step 5: Solve for x
    x = 611,744,739,895.94/896,740.28
  6. Step 6: Final answer
    x = 682,187.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.