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Finding the Fourth Proportional to 297,211.77, 410,152.17 and 169,890.09

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Solution

The fourth proportional to 297,211.77, 410,152.17 and 169,890.09 is: 234,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,211.77 : 410,152.17 = 169,890.09 : x
  2. Step 2: Convert to fraction form
    297,211.77/410,152.17 = 169,890.09/x
  3. Step 3: Cross multiply
    297,211.77x = 410,152.17 × 169,890.09
  4. Step 4: Simplify right side
    297,211.77x = 69,680,789,075.00
  5. Step 5: Solve for x
    x = 69,680,789,075.00/297,211.77
  6. Step 6: Final answer
    x = 234,448.28

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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.