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Finding the Fourth Proportional to 554,487.74, 764,681.02 and 350,183.06

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Solution

The fourth proportional to 554,487.74, 764,681.02 and 350,183.06 is: 482,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,487.74 : 764,681.02 = 350,183.06 : x
  2. Step 2: Convert to fraction form
    554,487.74/764,681.02 = 350,183.06/x
  3. Step 3: Cross multiply
    554,487.74x = 764,681.02 × 350,183.06
  4. Step 4: Simplify right side
    554,487.74x = 267,778,335,684.12
  5. Step 5: Solve for x
    x = 267,778,335,684.12/554,487.74
  6. Step 6: Final answer
    x = 482,929.23

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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.