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Finding the Fourth Proportional to 293,265.60, 404,707.20 and 159,129.60

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Solution

The fourth proportional to 293,265.60, 404,707.20 and 159,129.60 is: 219,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,265.60 : 404,707.20 = 159,129.60 : x
  2. Step 2: Convert to fraction form
    293,265.60/404,707.20 = 159,129.60/x
  3. Step 3: Cross multiply
    293,265.60x = 404,707.20 × 159,129.60
  4. Step 4: Simplify right side
    293,265.60x = 64,400,894,853.12
  5. Step 5: Solve for x
    x = 64,400,894,853.12/293,265.60
  6. Step 6: Final answer
    x = 219,599.21

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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.