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Finding the Fourth Proportional to 437,509.48, 656,318.96 and 171,235.48

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Solution

The fourth proportional to 437,509.48, 656,318.96 and 171,235.48 is: 256,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,509.48 : 656,318.96 = 171,235.48 : x
  2. Step 2: Convert to fraction form
    437,509.48/656,318.96 = 171,235.48/x
  3. Step 3: Cross multiply
    437,509.48x = 656,318.96 × 171,235.48
  4. Step 4: Simplify right side
    437,509.48x = 112,385,092,148.70
  5. Step 5: Solve for x
    x = 112,385,092,148.70/437,509.48
  6. Step 6: Final answer
    x = 256,874.64

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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.