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Finding the Fourth Proportional to 297,319.54, 410,303.97 and 161,354.67

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Solution

The fourth proportional to 297,319.54, 410,303.97 and 161,354.67 is: 222,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,319.54 : 410,303.97 = 161,354.67 : x
  2. Step 2: Convert to fraction form
    297,319.54/410,303.97 = 161,354.67/x
  3. Step 3: Cross multiply
    297,319.54x = 410,303.97 × 161,354.67
  4. Step 4: Simplify right side
    297,319.54x = 66,204,461,679.04
  5. Step 5: Solve for x
    x = 66,204,461,679.04/297,319.54
  6. Step 6: Final answer
    x = 222,671.08

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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.