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Finding the Fourth Proportional to 293,117.52, 404,487.90 and 165,790.38

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Solution

The fourth proportional to 293,117.52, 404,487.90 and 165,790.38 is: 228,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,117.52 : 404,487.90 = 165,790.38 : x
  2. Step 2: Convert to fraction form
    293,117.52/404,487.90 = 165,790.38/x
  3. Step 3: Cross multiply
    293,117.52x = 404,487.90 × 165,790.38
  4. Step 4: Simplify right side
    293,117.52x = 67,060,202,646.40
  5. Step 5: Solve for x
    x = 67,060,202,646.40/293,117.52
  6. Step 6: Final answer
    x = 228,782.65

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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.