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Finding the Fourth Proportional to 243,856.14, 336,636.53 and 183,449.79

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Solution

The fourth proportional to 243,856.14, 336,636.53 and 183,449.79 is: 253,247.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,856.14 : 336,636.53 = 183,449.79 : x
  2. Step 2: Convert to fraction form
    243,856.14/336,636.53 = 183,449.79/x
  3. Step 3: Cross multiply
    243,856.14x = 336,636.53 × 183,449.79
  4. Step 4: Simplify right side
    243,856.14x = 61,755,899,817.58
  5. Step 5: Solve for x
    x = 61,755,899,817.58/243,856.14
  6. Step 6: Final answer
    x = 253,247.26

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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.