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Finding the Fourth Proportional to 306,963.29, 460,759.14 and 253,484.88

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Solution

The fourth proportional to 306,963.29, 460,759.14 and 253,484.88 is: 380,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,963.29 : 460,759.14 = 253,484.88 : x
  2. Step 2: Convert to fraction form
    306,963.29/460,759.14 = 253,484.88/x
  3. Step 3: Cross multiply
    306,963.29x = 460,759.14 × 253,484.88
  4. Step 4: Simplify right side
    306,963.29x = 116,795,475,311.80
  5. Step 5: Solve for x
    x = 116,795,475,311.80/306,963.29
  6. Step 6: Final answer
    x = 380,486.78

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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.