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Finding the Fourth Proportional to 364,246.20, 546,369.30 and 328,816.80

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Solution

The fourth proportional to 364,246.20, 546,369.30 and 328,816.80 is: 493,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,246.20 : 546,369.30 = 328,816.80 : x
  2. Step 2: Convert to fraction form
    364,246.20/546,369.30 = 328,816.80/x
  3. Step 3: Cross multiply
    364,246.20x = 546,369.30 × 328,816.80
  4. Step 4: Simplify right side
    364,246.20x = 179,655,404,844.24
  5. Step 5: Solve for x
    x = 179,655,404,844.24/364,246.20
  6. Step 6: Final answer
    x = 493,225.20

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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.