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Finding the Fourth Proportional to 293,447.40, 440,171.10 and 175,057.80

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Solution

The fourth proportional to 293,447.40, 440,171.10 and 175,057.80 is: 262,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,447.40 : 440,171.10 = 175,057.80 : x
  2. Step 2: Convert to fraction form
    293,447.40/440,171.10 = 175,057.80/x
  3. Step 3: Cross multiply
    293,447.40x = 440,171.10 × 175,057.80
  4. Step 4: Simplify right side
    293,447.40x = 77,055,384,389.58
  5. Step 5: Solve for x
    x = 77,055,384,389.58/293,447.40
  6. Step 6: Final answer
    x = 262,586.70

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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.