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Finding the Fourth Proportional to 587,220.80, 880,831.20 and 166,491.20

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Solution

The fourth proportional to 587,220.80, 880,831.20 and 166,491.20 is: 249,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,220.80 : 880,831.20 = 166,491.20 : x
  2. Step 2: Convert to fraction form
    587,220.80/880,831.20 = 166,491.20/x
  3. Step 3: Cross multiply
    587,220.80x = 880,831.20 × 166,491.20
  4. Step 4: Simplify right side
    587,220.80x = 146,650,643,485.44
  5. Step 5: Solve for x
    x = 146,650,643,485.44/587,220.80
  6. Step 6: Final answer
    x = 249,736.80

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Similar ratio
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1.5x scale

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.