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Finding the Fourth Proportional to 293,585.10, 440,377.65 and 243,764.70

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Solution

The fourth proportional to 293,585.10, 440,377.65 and 243,764.70 is: 365,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,585.10 : 440,377.65 = 243,764.70 : x
  2. Step 2: Convert to fraction form
    293,585.10/440,377.65 = 243,764.70/x
  3. Step 3: Cross multiply
    293,585.10x = 440,377.65 × 243,764.70
  4. Step 4: Simplify right side
    293,585.10x = 107,348,525,738.96
  5. Step 5: Solve for x
    x = 107,348,525,738.96/293,585.10
  6. Step 6: Final answer
    x = 365,647.05

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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.