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Finding the Fourth Proportional to 243,855.64, 336,635.83 and 183,449.28

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Solution

The fourth proportional to 243,855.64, 336,635.83 and 183,449.28 is: 253,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,855.64 : 336,635.83 = 183,449.28 : x
  2. Step 2: Convert to fraction form
    243,855.64/336,635.83 = 183,449.28/x
  3. Step 3: Cross multiply
    243,855.64x = 336,635.83 × 183,449.28
  4. Step 4: Simplify right side
    243,855.64x = 61,755,600,635.70
  5. Step 5: Solve for x
    x = 61,755,600,635.70/243,855.64
  6. Step 6: Final answer
    x = 253,246.55

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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.