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Finding the Fourth Proportional to 336,005.20, 503,424.60 and 217,615.60

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Solution

The fourth proportional to 336,005.20, 503,424.60 and 217,615.60 is: 326,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,005.20 : 503,424.60 = 217,615.60 : x
  2. Step 2: Convert to fraction form
    336,005.20/503,424.60 = 217,615.60/x
  3. Step 3: Cross multiply
    336,005.20x = 503,424.60 × 217,615.60
  4. Step 4: Simplify right side
    336,005.20x = 109,553,046,383.76
  5. Step 5: Solve for x
    x = 109,553,046,383.76/336,005.20
  6. Step 6: Final answer
    x = 326,045.69

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1.5x scale

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.