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Finding the Fourth Proportional to 301,865.29, 452,813.45 and 77,227.66

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Solution

The fourth proportional to 301,865.29, 452,813.45 and 77,227.66 is: 115,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,865.29 : 452,813.45 = 77,227.66 : x
  2. Step 2: Convert to fraction form
    301,865.29/452,813.45 = 77,227.66/x
  3. Step 3: Cross multiply
    301,865.29x = 452,813.45 × 77,227.66
  4. Step 4: Simplify right side
    301,865.29x = 34,969,723,339.91
  5. Step 5: Solve for x
    x = 34,969,723,339.91/301,865.29
  6. Step 6: Final answer
    x = 115,845.46

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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.