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Finding the Fourth Proportional to 552,463.56, 762,392.06 and 310,746.30

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Solution

The fourth proportional to 552,463.56, 762,392.06 and 310,746.30 is: 428,825.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,463.56 : 762,392.06 = 310,746.30 : x
  2. Step 2: Convert to fraction form
    552,463.56/762,392.06 = 310,746.30/x
  3. Step 3: Cross multiply
    552,463.56x = 762,392.06 × 310,746.30
  4. Step 4: Simplify right side
    552,463.56x = 236,910,510,240.65
  5. Step 5: Solve for x
    x = 236,910,510,240.65/552,463.56
  6. Step 6: Final answer
    x = 428,825.59

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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.