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Finding the Fourth Proportional to 344,937.71, 517,406.70 and 155,176.43

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Solution

The fourth proportional to 344,937.71, 517,406.70 and 155,176.43 is: 232,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,937.71 : 517,406.70 = 155,176.43 : x
  2. Step 2: Convert to fraction form
    344,937.71/517,406.70 = 155,176.43/x
  3. Step 3: Cross multiply
    344,937.71x = 517,406.70 × 155,176.43
  4. Step 4: Simplify right side
    344,937.71x = 80,289,322,558.96
  5. Step 5: Solve for x
    x = 80,289,322,558.96/344,937.71
  6. Step 6: Final answer
    x = 232,764.70

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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.