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Finding the Fourth Proportional to 295,650.74, 407,998.42 and 168,326.30

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Solution

The fourth proportional to 295,650.74, 407,998.42 and 168,326.30 is: 232,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,650.74 : 407,998.42 = 168,326.30 : x
  2. Step 2: Convert to fraction form
    295,650.74/407,998.42 = 168,326.30/x
  3. Step 3: Cross multiply
    295,650.74x = 407,998.42 × 168,326.30
  4. Step 4: Simplify right side
    295,650.74x = 68,676,865,043.63
  5. Step 5: Solve for x
    x = 68,676,865,043.63/295,650.74
  6. Step 6: Final answer
    x = 232,290.52

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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.