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Finding the Fourth Proportional to 363,808.49, 545,992.95 and 292,904.60

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Solution

The fourth proportional to 363,808.49, 545,992.95 and 292,904.60 is: 439,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,808.49 : 545,992.95 = 292,904.60 : x
  2. Step 2: Convert to fraction form
    363,808.49/545,992.95 = 292,904.60/x
  3. Step 3: Cross multiply
    363,808.49x = 545,992.95 × 292,904.60
  4. Step 4: Simplify right side
    363,808.49x = 159,923,846,622.57
  5. Step 5: Solve for x
    x = 159,923,846,622.57/363,808.49
  6. Step 6: Final answer
    x = 439,582.50

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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.