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Finding the Fourth Proportional to 437,597.43, 656,133.39 and 171,040.38

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Solution

The fourth proportional to 437,597.43, 656,133.39 and 171,040.38 is: 256,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,597.43 : 656,133.39 = 171,040.38 : x
  2. Step 2: Convert to fraction form
    437,597.43/656,133.39 = 171,040.38/x
  3. Step 3: Cross multiply
    437,597.43x = 656,133.39 × 171,040.38
  4. Step 4: Simplify right side
    437,597.43x = 112,225,304,356.29
  5. Step 5: Solve for x
    x = 112,225,304,356.29/437,597.43
  6. Step 6: Final answer
    x = 256,457.87

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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.