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Finding the Fourth Proportional to 329,113.90, 493,670.85 and 275,969.80

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Solution

The fourth proportional to 329,113.90, 493,670.85 and 275,969.80 is: 413,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,113.90 : 493,670.85 = 275,969.80 : x
  2. Step 2: Convert to fraction form
    329,113.90/493,670.85 = 275,969.80/x
  3. Step 3: Cross multiply
    329,113.90x = 493,670.85 × 275,969.80
  4. Step 4: Simplify right side
    329,113.90x = 136,238,245,740.33
  5. Step 5: Solve for x
    x = 136,238,245,740.33/329,113.90
  6. Step 6: Final answer
    x = 413,954.70

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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.