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Finding the Fourth Proportional to 307,682.64, 424,794.24 and 235,924.72

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Solution

The fourth proportional to 307,682.64, 424,794.24 and 235,924.72 is: 325,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,682.64 : 424,794.24 = 235,924.72 : x
  2. Step 2: Convert to fraction form
    307,682.64/424,794.24 = 235,924.72/x
  3. Step 3: Cross multiply
    307,682.64x = 424,794.24 × 235,924.72
  4. Step 4: Simplify right side
    307,682.64x = 100,219,462,129.61
  5. Step 5: Solve for x
    x = 100,219,462,129.61/307,682.64
  6. Step 6: Final answer
    x = 325,723.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.