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Finding the Fourth Proportional to 370,000.02, 554,532.75 and 308,414.10

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Solution

The fourth proportional to 370,000.02, 554,532.75 and 308,414.10 is: 462,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,000.02 : 554,532.75 = 308,414.10 : x
  2. Step 2: Convert to fraction form
    370,000.02/554,532.75 = 308,414.10/x
  3. Step 3: Cross multiply
    370,000.02x = 554,532.75 × 308,414.10
  4. Step 4: Simplify right side
    370,000.02x = 171,025,719,011.78
  5. Step 5: Solve for x
    x = 171,025,719,011.78/370,000.02
  6. Step 6: Final answer
    x = 462,231.65

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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.