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Finding the Fourth Proportional to 587,850.81, 880,280.54 and 387,563.52

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Solution

The fourth proportional to 587,850.81, 880,280.54 and 387,563.52 is: 580,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,850.81 : 880,280.54 = 387,563.52 : x
  2. Step 2: Convert to fraction form
    587,850.81/880,280.54 = 387,563.52/x
  3. Step 3: Cross multiply
    587,850.81x = 880,280.54 × 387,563.52
  4. Step 4: Simplify right side
    587,850.81x = 341,164,624,669.90
  5. Step 5: Solve for x
    x = 341,164,624,669.90/587,850.81
  6. Step 6: Final answer
    x = 580,359.20

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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.