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Finding the Fourth Proportional to 552,856.32, 762,936.96 and 314,392.32

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Solution

The fourth proportional to 552,856.32, 762,936.96 and 314,392.32 is: 433,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,856.32 : 762,936.96 = 314,392.32 : x
  2. Step 2: Convert to fraction form
    552,856.32/762,936.96 = 314,392.32/x
  3. Step 3: Cross multiply
    552,856.32x = 762,936.96 × 314,392.32
  4. Step 4: Simplify right side
    552,856.32x = 239,861,520,868.15
  5. Step 5: Solve for x
    x = 239,861,520,868.15/552,856.32
  6. Step 6: Final answer
    x = 433,858.69

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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.