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Finding the Fourth Proportional to 544,519.40, 814,835.10 and 344,935.40

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Solution

The fourth proportional to 544,519.40, 814,835.10 and 344,935.40 is: 516,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,519.40 : 814,835.10 = 344,935.40 : x
  2. Step 2: Convert to fraction form
    544,519.40/814,835.10 = 344,935.40/x
  3. Step 3: Cross multiply
    544,519.40x = 814,835.10 × 344,935.40
  4. Step 4: Simplify right side
    544,519.40x = 281,065,471,152.54
  5. Step 5: Solve for x
    x = 281,065,471,152.54/544,519.40
  6. Step 6: Final answer
    x = 516,171.64

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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.