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Finding the Fourth Proportional to 437,559.60, 656,339.40 and 434,794.80

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Solution

The fourth proportional to 437,559.60, 656,339.40 and 434,794.80 is: 652,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,559.60 : 656,339.40 = 434,794.80 : x
  2. Step 2: Convert to fraction form
    437,559.60/656,339.40 = 434,794.80/x
  3. Step 3: Cross multiply
    437,559.60x = 656,339.40 × 434,794.80
  4. Step 4: Simplify right side
    437,559.60x = 285,372,958,155.12
  5. Step 5: Solve for x
    x = 285,372,958,155.12/437,559.60
  6. Step 6: Final answer
    x = 652,192.20

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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.