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Finding the Fourth Proportional to 552,320.46, 762,194.97 and 310,602.97

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Solution

The fourth proportional to 552,320.46, 762,194.97 and 310,602.97 is: 428,628.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,320.46 : 762,194.97 = 310,602.97 : x
  2. Step 2: Convert to fraction form
    552,320.46/762,194.97 = 310,602.97/x
  3. Step 3: Cross multiply
    552,320.46x = 762,194.97 × 310,602.97
  4. Step 4: Simplify right side
    552,320.46x = 236,740,022,353.81
  5. Step 5: Solve for x
    x = 236,740,022,353.81/552,320.46
  6. Step 6: Final answer
    x = 428,628.01

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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.