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Finding the Fourth Proportional to 293,279.62, 404,724.45 and 159,143.62

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Solution

The fourth proportional to 293,279.62, 404,724.45 and 159,143.62 is: 219,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,279.62 : 404,724.45 = 159,143.62 : x
  2. Step 2: Convert to fraction form
    293,279.62/404,724.45 = 159,143.62/x
  3. Step 3: Cross multiply
    293,279.62x = 404,724.45 × 159,143.62
  4. Step 4: Simplify right side
    293,279.62x = 64,409,314,075.51
  5. Step 5: Solve for x
    x = 64,409,314,075.51/293,279.62
  6. Step 6: Final answer
    x = 219,617.42

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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.