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Finding the Fourth Proportional to 297,938.70, 446,908.05 and 157,970.70

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Solution

The fourth proportional to 297,938.70, 446,908.05 and 157,970.70 is: 236,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,938.70 : 446,908.05 = 157,970.70 : x
  2. Step 2: Convert to fraction form
    297,938.70/446,908.05 = 157,970.70/x
  3. Step 3: Cross multiply
    297,938.70x = 446,908.05 × 157,970.70
  4. Step 4: Simplify right side
    297,938.70x = 70,598,377,494.14
  5. Step 5: Solve for x
    x = 70,598,377,494.14/297,938.70
  6. Step 6: Final answer
    x = 236,956.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.