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Finding the Fourth Proportional to 712,754.24, 983,600.82 and 426,274.31

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Solution

The fourth proportional to 712,754.24, 983,600.82 and 426,274.31 is: 588,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,754.24 : 983,600.82 = 426,274.31 : x
  2. Step 2: Convert to fraction form
    712,754.24/983,600.82 = 426,274.31/x
  3. Step 3: Cross multiply
    712,754.24x = 983,600.82 × 426,274.31
  4. Step 4: Simplify right side
    712,754.24x = 419,283,763,319.94
  5. Step 5: Solve for x
    x = 419,283,763,319.94/712,754.24
  6. Step 6: Final answer
    x = 588,258.54

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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.