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Finding the Fourth Proportional to 293,790.60, 440,002.44 and 285,709.32

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Solution

The fourth proportional to 293,790.60, 440,002.44 and 285,709.32 is: 427,899.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,790.60 : 440,002.44 = 285,709.32 : x
  2. Step 2: Convert to fraction form
    293,790.60/440,002.44 = 285,709.32/x
  3. Step 3: Cross multiply
    293,790.60x = 440,002.44 × 285,709.32
  4. Step 4: Simplify right side
    293,790.60x = 125,712,797,930.74
  5. Step 5: Solve for x
    x = 125,712,797,930.74/293,790.60
  6. Step 6: Final answer
    x = 427,899.32

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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.