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Finding the Fourth Proportional to 457,197, 630,786.06 and 296,175.48

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Solution

The fourth proportional to 457,197, 630,786.06 and 296,175.48 is: 408,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,197 : 630,786.06 = 296,175.48 : x
  2. Step 2: Convert to fraction form
    457,197/630,786.06 = 296,175.48/x
  3. Step 3: Cross multiply
    457,197x = 630,786.06 × 296,175.48
  4. Step 4: Simplify right side
    457,197x = 186,823,364,097.81
  5. Step 5: Solve for x
    x = 186,823,364,097.81/457,197
  6. Step 6: Final answer
    x = 408,627.71

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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.