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Finding the Fourth Proportional to 297,972.30, 411,108.75 and 170,624.46

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Solution

The fourth proportional to 297,972.30, 411,108.75 and 170,624.46 is: 235,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,972.30 : 411,108.75 = 170,624.46 : x
  2. Step 2: Convert to fraction form
    297,972.30/411,108.75 = 170,624.46/x
  3. Step 3: Cross multiply
    297,972.30x = 411,108.75 × 170,624.46
  4. Step 4: Simplify right side
    297,972.30x = 70,145,208,470.03
  5. Step 5: Solve for x
    x = 70,145,208,470.03/297,972.30
  6. Step 6: Final answer
    x = 235,408.49

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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.