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Finding the Fourth Proportional to 295,476.48, 407,759.04 and 161,340.48

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Solution

The fourth proportional to 295,476.48, 407,759.04 and 161,340.48 is: 222,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,476.48 : 407,759.04 = 161,340.48 : x
  2. Step 2: Convert to fraction form
    295,476.48/407,759.04 = 161,340.48/x
  3. Step 3: Cross multiply
    295,476.48x = 407,759.04 × 161,340.48
  4. Step 4: Simplify right side
    295,476.48x = 65,788,039,237.94
  5. Step 5: Solve for x
    x = 65,788,039,237.94/295,476.48
  6. Step 6: Final answer
    x = 222,650.68

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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.