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Finding the Fourth Proportional to 243,854.89, 336,634.80 and 183,448.54

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Solution

The fourth proportional to 243,854.89, 336,634.80 and 183,448.54 is: 253,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,854.89 : 336,634.80 = 183,448.54 : x
  2. Step 2: Convert to fraction form
    243,854.89/336,634.80 = 183,448.54/x
  3. Step 3: Cross multiply
    243,854.89x = 336,634.80 × 183,448.54
  4. Step 4: Simplify right side
    243,854.89x = 61,755,162,573.19
  5. Step 5: Solve for x
    x = 61,755,162,573.19/243,854.89
  6. Step 6: Final answer
    x = 253,245.54

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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.