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Finding the Fourth Proportional to 329,555.90, 494,333.85 and 298,063.10

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Solution

The fourth proportional to 329,555.90, 494,333.85 and 298,063.10 is: 447,094.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,555.90 : 494,333.85 = 298,063.10 : x
  2. Step 2: Convert to fraction form
    329,555.90/494,333.85 = 298,063.10/x
  3. Step 3: Cross multiply
    329,555.90x = 494,333.85 × 298,063.10
  4. Step 4: Simplify right side
    329,555.90x = 147,342,679,765.94
  5. Step 5: Solve for x
    x = 147,342,679,765.94/329,555.90
  6. Step 6: Final answer
    x = 447,094.65

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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.