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Finding the Fourth Proportional to 656,155.80, 984,233.70 and 444,648.60

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Solution

The fourth proportional to 656,155.80, 984,233.70 and 444,648.60 is: 666,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,155.80 : 984,233.70 = 444,648.60 : x
  2. Step 2: Convert to fraction form
    656,155.80/984,233.70 = 444,648.60/x
  3. Step 3: Cross multiply
    656,155.80x = 984,233.70 × 444,648.60
  4. Step 4: Simplify right side
    656,155.80x = 437,638,136,777.82
  5. Step 5: Solve for x
    x = 437,638,136,777.82/656,155.80
  6. Step 6: Final answer
    x = 666,972.90

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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.