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Finding the Fourth Proportional to 367,006.35, 550,509.53 and 340,434.30

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Solution

The fourth proportional to 367,006.35, 550,509.53 and 340,434.30 is: 510,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,006.35 : 550,509.53 = 340,434.30 : x
  2. Step 2: Convert to fraction form
    367,006.35/550,509.53 = 340,434.30/x
  3. Step 3: Cross multiply
    367,006.35x = 550,509.53 × 340,434.30
  4. Step 4: Simplify right side
    367,006.35x = 187,412,324,786.71
  5. Step 5: Solve for x
    x = 187,412,324,786.71/367,006.35
  6. Step 6: Final answer
    x = 510,651.45

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Similar ratio
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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.