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Finding the Fourth Proportional to 402,329.10, 603,882.45 and 244,865.10

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Solution

The fourth proportional to 402,329.10, 603,882.45 and 244,865.10 is: 367,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,329.10 : 603,882.45 = 244,865.10 : x
  2. Step 2: Convert to fraction form
    402,329.10/603,882.45 = 244,865.10/x
  3. Step 3: Cross multiply
    402,329.10x = 603,882.45 × 244,865.10
  4. Step 4: Simplify right side
    402,329.10x = 147,869,736,507.50
  5. Step 5: Solve for x
    x = 147,869,736,507.50/402,329.10
  6. Step 6: Final answer
    x = 367,534.28

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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.