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Finding the Fourth Proportional to 437,920.60, 656,880.90 and 367,061.80

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Solution

The fourth proportional to 437,920.60, 656,880.90 and 367,061.80 is: 550,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,920.60 : 656,880.90 = 367,061.80 : x
  2. Step 2: Convert to fraction form
    437,920.60/656,880.90 = 367,061.80/x
  3. Step 3: Cross multiply
    437,920.60x = 656,880.90 × 367,061.80
  4. Step 4: Simplify right side
    437,920.60x = 241,115,885,539.62
  5. Step 5: Solve for x
    x = 241,115,885,539.62/437,920.60
  6. Step 6: Final answer
    x = 550,592.70

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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.