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Finding the Fourth Proportional to 364,122.42, 544,783.95 and 221,941.91

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Solution

The fourth proportional to 364,122.42, 544,783.95 and 221,941.91 is: 332,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,122.42 : 544,783.95 = 221,941.91 : x
  2. Step 2: Convert to fraction form
    364,122.42/544,783.95 = 221,941.91/x
  3. Step 3: Cross multiply
    364,122.42x = 544,783.95 × 221,941.91
  4. Step 4: Simplify right side
    364,122.42x = 120,910,390,400.35
  5. Step 5: Solve for x
    x = 120,910,390,400.35/364,122.42
  6. Step 6: Final answer
    x = 332,059.72

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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.