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Finding the Fourth Proportional to 301,636.91, 452,449.48 and 121,717.56

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Solution

The fourth proportional to 301,636.91, 452,449.48 and 121,717.56 is: 182,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,636.91 : 452,449.48 = 121,717.56 : x
  2. Step 2: Convert to fraction form
    301,636.91/452,449.48 = 121,717.56/x
  3. Step 3: Cross multiply
    301,636.91x = 452,449.48 × 121,717.56
  4. Step 4: Simplify right side
    301,636.91x = 55,071,047,590.46
  5. Step 5: Solve for x
    x = 55,071,047,590.46/301,636.91
  6. Step 6: Final answer
    x = 182,573.97

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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.