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Finding the Fourth Proportional to 437,480.12, 656,274.90 and 171,206.24

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Solution

The fourth proportional to 437,480.12, 656,274.90 and 171,206.24 is: 256,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,480.12 : 656,274.90 = 171,206.24 : x
  2. Step 2: Convert to fraction form
    437,480.12/656,274.90 = 171,206.24/x
  3. Step 3: Cross multiply
    437,480.12x = 656,274.90 × 171,206.24
  4. Step 4: Simplify right side
    437,480.12x = 112,358,358,035.38
  5. Step 5: Solve for x
    x = 112,358,358,035.38/437,480.12
  6. Step 6: Final answer
    x = 256,830.77

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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.