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Finding the Fourth Proportional to 331,633.89, 497,555.96 and 118,397.14

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Solution

The fourth proportional to 331,633.89, 497,555.96 and 118,397.14 is: 177,633.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,633.89 : 497,555.96 = 118,397.14 : x
  2. Step 2: Convert to fraction form
    331,633.89/497,555.96 = 118,397.14/x
  3. Step 3: Cross multiply
    331,633.89x = 497,555.96 × 118,397.14
  4. Step 4: Simplify right side
    331,633.89x = 58,909,199,574.19
  5. Step 5: Solve for x
    x = 58,909,199,574.19/331,633.89
  6. Step 6: Final answer
    x = 177,633.23

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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.