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Finding the Fourth Proportional to 293,554.80, 440,245.80 and 83,211.12

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Solution

The fourth proportional to 293,554.80, 440,245.80 and 83,211.12 is: 124,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,554.80 : 440,245.80 = 83,211.12 : x
  2. Step 2: Convert to fraction form
    293,554.80/440,245.80 = 83,211.12/x
  3. Step 3: Cross multiply
    293,554.80x = 440,245.80 × 83,211.12
  4. Step 4: Simplify right side
    293,554.80x = 36,633,346,093.30
  5. Step 5: Solve for x
    x = 36,633,346,093.30/293,554.80
  6. Step 6: Final answer
    x = 124,792.19

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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.