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Finding the Fourth Proportional to 329,703.62, 494,591.57 and 104,985.11

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Solution

The fourth proportional to 329,703.62, 494,591.57 and 104,985.11 is: 157,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,703.62 : 494,591.57 = 104,985.11 : x
  2. Step 2: Convert to fraction form
    329,703.62/494,591.57 = 104,985.11/x
  3. Step 3: Cross multiply
    329,703.62x = 494,591.57 × 104,985.11
  4. Step 4: Simplify right side
    329,703.62x = 51,924,751,486.77
  5. Step 5: Solve for x
    x = 51,924,751,486.77/329,703.62
  6. Step 6: Final answer
    x = 157,489.18

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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.