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Finding the Fourth Proportional to 293,487.80, 440,231.70 and 251,497.40

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Solution

The fourth proportional to 293,487.80, 440,231.70 and 251,497.40 is: 377,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,487.80 : 440,231.70 = 251,497.40 : x
  2. Step 2: Convert to fraction form
    293,487.80/440,231.70 = 251,497.40/x
  3. Step 3: Cross multiply
    293,487.80x = 440,231.70 × 251,497.40
  4. Step 4: Simplify right side
    293,487.80x = 110,717,127,947.58
  5. Step 5: Solve for x
    x = 110,717,127,947.58/293,487.80
  6. Step 6: Final answer
    x = 377,246.10

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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.