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Finding the Fourth Proportional to 817,491.24, 1,224,464.58 and 395,883

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Solution

The fourth proportional to 817,491.24, 1,224,464.58 and 395,883 is: 592,966.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,491.24 : 1,224,464.58 = 395,883 : x
  2. Step 2: Convert to fraction form
    817,491.24/1,224,464.58 = 395,883/x
  3. Step 3: Cross multiply
    817,491.24x = 1,224,464.58 × 395,883
  4. Step 4: Simplify right side
    817,491.24x = 484,744,711,324.14
  5. Step 5: Solve for x
    x = 484,744,711,324.14/817,491.24
  6. Step 6: Final answer
    x = 592,966.25

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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.