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Finding the Fourth Proportional to 389,395.44, 537,319.94 and 226,014.24

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Solution

The fourth proportional to 389,395.44, 537,319.94 and 226,014.24 is: 311,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,395.44 : 537,319.94 = 226,014.24 : x
  2. Step 2: Convert to fraction form
    389,395.44/537,319.94 = 226,014.24/x
  3. Step 3: Cross multiply
    389,395.44x = 537,319.94 × 226,014.24
  4. Step 4: Simplify right side
    389,395.44x = 121,441,957,875.95
  5. Step 5: Solve for x
    x = 121,441,957,875.95/389,395.44
  6. Step 6: Final answer
    x = 311,873.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.