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Finding the Fourth Proportional to 350,004.40, 524,423.40 and 329,009.20

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Solution

The fourth proportional to 350,004.40, 524,423.40 and 329,009.20 is: 492,965.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,004.40 : 524,423.40 = 329,009.20 : x
  2. Step 2: Convert to fraction form
    350,004.40/524,423.40 = 329,009.20/x
  3. Step 3: Cross multiply
    350,004.40x = 524,423.40 × 329,009.20
  4. Step 4: Simplify right side
    350,004.40x = 172,540,123,295.28
  5. Step 5: Solve for x
    x = 172,540,123,295.28/350,004.40
  6. Step 6: Final answer
    x = 492,965.58

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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.