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Finding the Fourth Proportional to 293,419.55, 404,896.67 and 178,685.48

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Solution

The fourth proportional to 293,419.55, 404,896.67 and 178,685.48 is: 246,572.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,419.55 : 404,896.67 = 178,685.48 : x
  2. Step 2: Convert to fraction form
    293,419.55/404,896.67 = 178,685.48/x
  3. Step 3: Cross multiply
    293,419.55x = 404,896.67 × 178,685.48
  4. Step 4: Simplify right side
    293,419.55x = 72,349,155,948.17
  5. Step 5: Solve for x
    x = 72,349,155,948.17/293,419.55
  6. Step 6: Final answer
    x = 246,572.38

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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.