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Finding the Fourth Proportional to 665,289.60, 997,934.40 and 244,510.80

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Solution

The fourth proportional to 665,289.60, 997,934.40 and 244,510.80 is: 366,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,289.60 : 997,934.40 = 244,510.80 : x
  2. Step 2: Convert to fraction form
    665,289.60/997,934.40 = 244,510.80/x
  3. Step 3: Cross multiply
    665,289.60x = 997,934.40 × 244,510.80
  4. Step 4: Simplify right side
    665,289.60x = 244,005,738,491.52
  5. Step 5: Solve for x
    x = 244,005,738,491.52/665,289.60
  6. Step 6: Final answer
    x = 366,766.20

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Double scale
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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.