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Finding the Fourth Proportional to 329,063.60, 493,595.40 and 92,446.40

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Solution

The fourth proportional to 329,063.60, 493,595.40 and 92,446.40 is: 138,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,063.60 : 493,595.40 = 92,446.40 : x
  2. Step 2: Convert to fraction form
    329,063.60/493,595.40 = 92,446.40/x
  3. Step 3: Cross multiply
    329,063.60x = 493,595.40 × 92,446.40
  4. Step 4: Simplify right side
    329,063.60x = 45,631,117,786.56
  5. Step 5: Solve for x
    x = 45,631,117,786.56/329,063.60
  6. Step 6: Final answer
    x = 138,669.60

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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.