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Finding the Fourth Proportional to 587,371.36, 880,626.10 and 187,782.16

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Solution

The fourth proportional to 587,371.36, 880,626.10 and 187,782.16 is: 281,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,371.36 : 880,626.10 = 187,782.16 : x
  2. Step 2: Convert to fraction form
    587,371.36/880,626.10 = 187,782.16/x
  3. Step 3: Cross multiply
    587,371.36x = 880,626.10 × 187,782.16
  4. Step 4: Simplify right side
    587,371.36x = 165,365,871,210.38
  5. Step 5: Solve for x
    x = 165,365,871,210.38/587,371.36
  6. Step 6: Final answer
    x = 281,535.47

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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.