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Finding the Fourth Proportional to 554,061.48, 764,508.42 and 327,624.36

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Solution

The fourth proportional to 554,061.48, 764,508.42 and 327,624.36 is: 452,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,061.48 : 764,508.42 = 327,624.36 : x
  2. Step 2: Convert to fraction form
    554,061.48/764,508.42 = 327,624.36/x
  3. Step 3: Cross multiply
    554,061.48x = 764,508.42 × 327,624.36
  4. Step 4: Simplify right side
    554,061.48x = 250,471,581,817.11
  5. Step 5: Solve for x
    x = 250,471,581,817.11/554,061.48
  6. Step 6: Final answer
    x = 452,064.60

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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.