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Finding the Fourth Proportional to 353,285.34, 487,523.34 and 200,337.48

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Solution

The fourth proportional to 353,285.34, 487,523.34 and 200,337.48 is: 276,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,285.34 : 487,523.34 = 200,337.48 : x
  2. Step 2: Convert to fraction form
    353,285.34/487,523.34 = 200,337.48/x
  3. Step 3: Cross multiply
    353,285.34x = 487,523.34 × 200,337.48
  4. Step 4: Simplify right side
    353,285.34x = 97,669,197,376.78
  5. Step 5: Solve for x
    x = 97,669,197,376.78/353,285.34
  6. Step 6: Final answer
    x = 276,459.81

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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.