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Finding the Fourth Proportional to 362,565.70, 543,848.55 and 308,911.30

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Solution

The fourth proportional to 362,565.70, 543,848.55 and 308,911.30 is: 463,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,565.70 : 543,848.55 = 308,911.30 : x
  2. Step 2: Convert to fraction form
    362,565.70/543,848.55 = 308,911.30/x
  3. Step 3: Cross multiply
    362,565.70x = 543,848.55 × 308,911.30
  4. Step 4: Simplify right side
    362,565.70x = 168,000,962,583.62
  5. Step 5: Solve for x
    x = 168,000,962,583.62/362,565.70
  6. Step 6: Final answer
    x = 463,366.95

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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.