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Finding the Fourth Proportional to 355,894.08, 533,964.24 and 222,615.69

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Solution

The fourth proportional to 355,894.08, 533,964.24 and 222,615.69 is: 334,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,894.08 : 533,964.24 = 222,615.69 : x
  2. Step 2: Convert to fraction form
    355,894.08/533,964.24 = 222,615.69/x
  3. Step 3: Cross multiply
    355,894.08x = 533,964.24 × 222,615.69
  4. Step 4: Simplify right side
    355,894.08x = 118,868,817,722.93
  5. Step 5: Solve for x
    x = 118,868,817,722.93/355,894.08
  6. Step 6: Final answer
    x = 334,000.55

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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.