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Finding the Fourth Proportional to 344,259.81, 516,191.06 and 133,651.71

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Solution

The fourth proportional to 344,259.81, 516,191.06 and 133,651.71 is: 200,400.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,259.81 : 516,191.06 = 133,651.71 : x
  2. Step 2: Convert to fraction form
    344,259.81/516,191.06 = 133,651.71/x
  3. Step 3: Cross multiply
    344,259.81x = 516,191.06 × 133,651.71
  4. Step 4: Simplify right side
    344,259.81x = 68,989,817,187.45
  5. Step 5: Solve for x
    x = 68,989,817,187.45/344,259.81
  6. Step 6: Final answer
    x = 200,400.44

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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.