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Finding the Fourth Proportional to 297,775.98, 410,930.06 and 161,809.92

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Solution

The fourth proportional to 297,775.98, 410,930.06 and 161,809.92 is: 223,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,775.98 : 410,930.06 = 161,809.92 : x
  2. Step 2: Convert to fraction form
    297,775.98/410,930.06 = 161,809.92/x
  3. Step 3: Cross multiply
    297,775.98x = 410,930.06 × 161,809.92
  4. Step 4: Simplify right side
    297,775.98x = 66,492,559,325.15
  5. Step 5: Solve for x
    x = 66,492,559,325.15/297,775.98
  6. Step 6: Final answer
    x = 223,297.26

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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.