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Finding the Fourth Proportional to 437,464.60, 656,196.90 and 434,699.80

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Solution

The fourth proportional to 437,464.60, 656,196.90 and 434,699.80 is: 652,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,464.60 : 656,196.90 = 434,699.80 : x
  2. Step 2: Convert to fraction form
    437,464.60/656,196.90 = 434,699.80/x
  3. Step 3: Cross multiply
    437,464.60x = 656,196.90 × 434,699.80
  4. Step 4: Simplify right side
    437,464.60x = 285,248,661,190.62
  5. Step 5: Solve for x
    x = 285,248,661,190.62/437,464.60
  6. Step 6: Final answer
    x = 652,049.70

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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.