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Finding the Fourth Proportional to 304,999.20, 457,498.80 and 226,267.20

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Solution

The fourth proportional to 304,999.20, 457,498.80 and 226,267.20 is: 339,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,999.20 : 457,498.80 = 226,267.20 : x
  2. Step 2: Convert to fraction form
    304,999.20/457,498.80 = 226,267.20/x
  3. Step 3: Cross multiply
    304,999.20x = 457,498.80 × 226,267.20
  4. Step 4: Simplify right side
    304,999.20x = 103,516,972,479.36
  5. Step 5: Solve for x
    x = 103,516,972,479.36/304,999.20
  6. Step 6: Final answer
    x = 339,400.80

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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.