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Finding the Fourth Proportional to 373,084.52, 514,855.86 and 203,318.24

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Solution

The fourth proportional to 373,084.52, 514,855.86 and 203,318.24 is: 280,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,084.52 : 514,855.86 = 203,318.24 : x
  2. Step 2: Convert to fraction form
    373,084.52/514,855.86 = 203,318.24/x
  3. Step 3: Cross multiply
    373,084.52x = 514,855.86 × 203,318.24
  4. Step 4: Simplify right side
    373,084.52x = 104,679,587,308.89
  5. Step 5: Solve for x
    x = 104,679,587,308.89/373,084.52
  6. Step 6: Final answer
    x = 280,578.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.