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Finding the Fourth Proportional to 293,469.10, 439,814.85 and 260,032.30

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Solution

The fourth proportional to 293,469.10, 439,814.85 and 260,032.30 is: 389,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,469.10 : 439,814.85 = 260,032.30 : x
  2. Step 2: Convert to fraction form
    293,469.10/439,814.85 = 260,032.30/x
  3. Step 3: Cross multiply
    293,469.10x = 439,814.85 × 260,032.30
  4. Step 4: Simplify right side
    293,469.10x = 114,366,067,019.66
  5. Step 5: Solve for x
    x = 114,366,067,019.66/293,469.10
  6. Step 6: Final answer
    x = 389,703.95

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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.