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Finding the Fourth Proportional to 522,989.13, 784,482.39 and 295,181.48

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Solution

The fourth proportional to 522,989.13, 784,482.39 and 295,181.48 is: 442,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,989.13 : 784,482.39 = 295,181.48 : x
  2. Step 2: Convert to fraction form
    522,989.13/784,482.39 = 295,181.48/x
  3. Step 3: Cross multiply
    522,989.13x = 784,482.39 × 295,181.48
  4. Step 4: Simplify right side
    522,989.13x = 231,564,668,991.73
  5. Step 5: Solve for x
    x = 231,564,668,991.73/522,989.13
  6. Step 6: Final answer
    x = 442,771.48

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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.