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Finding the Fourth Proportional to 366,417.20, 548,848.20 and 304,209.20

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Solution

The fourth proportional to 366,417.20, 548,848.20 and 304,209.20 is: 455,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,417.20 : 548,848.20 = 304,209.20 : x
  2. Step 2: Convert to fraction form
    366,417.20/548,848.20 = 304,209.20/x
  3. Step 3: Cross multiply
    366,417.20x = 548,848.20 × 304,209.20
  4. Step 4: Simplify right side
    366,417.20x = 166,964,671,843.44
  5. Step 5: Solve for x
    x = 166,964,671,843.44/366,417.20
  6. Step 6: Final answer
    x = 455,668.22

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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.