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Finding the Fourth Proportional to 340,545.70, 510,927.90 and 150,932.80

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Solution

The fourth proportional to 340,545.70, 510,927.90 and 150,932.80 is: 226,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,545.70 : 510,927.90 = 150,932.80 : x
  2. Step 2: Convert to fraction form
    340,545.70/510,927.90 = 150,932.80/x
  3. Step 3: Cross multiply
    340,545.70x = 510,927.90 × 150,932.80
  4. Step 4: Simplify right side
    340,545.70x = 77,115,778,545.12
  5. Step 5: Solve for x
    x = 77,115,778,545.12/340,545.70
  6. Step 6: Final answer
    x = 226,447.66

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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.