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Finding the Fourth Proportional to 384,038.10, 576,057.15 and 367,449.30

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Solution

The fourth proportional to 384,038.10, 576,057.15 and 367,449.30 is: 551,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,038.10 : 576,057.15 = 367,449.30 : x
  2. Step 2: Convert to fraction form
    384,038.10/576,057.15 = 367,449.30/x
  3. Step 3: Cross multiply
    384,038.10x = 576,057.15 × 367,449.30
  4. Step 4: Simplify right side
    384,038.10x = 211,671,796,527.50
  5. Step 5: Solve for x
    x = 211,671,796,527.50/384,038.10
  6. Step 6: Final answer
    x = 551,173.95

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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.