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Finding the Fourth Proportional to 293,599.80, 440,313.30 and 83,256.12

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Solution

The fourth proportional to 293,599.80, 440,313.30 and 83,256.12 is: 124,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,599.80 : 440,313.30 = 83,256.12 : x
  2. Step 2: Convert to fraction form
    293,599.80/440,313.30 = 83,256.12/x
  3. Step 3: Cross multiply
    293,599.80x = 440,313.30 × 83,256.12
  4. Step 4: Simplify right side
    293,599.80x = 36,658,776,942.40
  5. Step 5: Solve for x
    x = 36,658,776,942.40/293,599.80
  6. Step 6: Final answer
    x = 124,859.68

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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.