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Finding the Fourth Proportional to 456,863.50, 630,757.56 and 293,586.22

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Solution

The fourth proportional to 456,863.50, 630,757.56 and 293,586.22 is: 405,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,863.50 : 630,757.56 = 293,586.22 : x
  2. Step 2: Convert to fraction form
    456,863.50/630,757.56 = 293,586.22/x
  3. Step 3: Cross multiply
    456,863.50x = 630,757.56 × 293,586.22
  4. Step 4: Simplify right side
    456,863.50x = 185,181,727,776.82
  5. Step 5: Solve for x
    x = 185,181,727,776.82/456,863.50
  6. Step 6: Final answer
    x = 405,332.73

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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.