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Finding the Fourth Proportional to 369,216.92, 509,266.42 and 226,047.70

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Solution

The fourth proportional to 369,216.92, 509,266.42 and 226,047.70 is: 311,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,216.92 : 509,266.42 = 226,047.70 : x
  2. Step 2: Convert to fraction form
    369,216.92/509,266.42 = 226,047.70/x
  3. Step 3: Cross multiply
    369,216.92x = 509,266.42 × 226,047.70
  4. Step 4: Simplify right side
    369,216.92x = 115,118,502,928.23
  5. Step 5: Solve for x
    x = 115,118,502,928.23/369,216.92
  6. Step 6: Final answer
    x = 311,790.97

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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.