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Finding the Fourth Proportional to 293,290.57, 404,740.98 and 159,154.57

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Solution

The fourth proportional to 293,290.57, 404,740.98 and 159,154.57 is: 219,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,290.57 : 404,740.98 = 159,154.57 : x
  2. Step 2: Convert to fraction form
    293,290.57/404,740.98 = 159,154.57/x
  3. Step 3: Cross multiply
    293,290.57x = 404,740.98 × 159,154.57
  4. Step 4: Simplify right side
    293,290.57x = 64,416,376,633.28
  5. Step 5: Solve for x
    x = 64,416,376,633.28/293,290.57
  6. Step 6: Final answer
    x = 219,633.30

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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.