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Finding the Fourth Proportional to 526,694.97, 726,838.20 and 297,300.54

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Solution

The fourth proportional to 526,694.97, 726,838.20 and 297,300.54 is: 410,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,694.97 : 726,838.20 = 297,300.54 : x
  2. Step 2: Convert to fraction form
    526,694.97/726,838.20 = 297,300.54/x
  3. Step 3: Cross multiply
    526,694.97x = 726,838.20 × 297,300.54
  4. Step 4: Simplify right side
    526,694.97x = 216,089,389,352.63
  5. Step 5: Solve for x
    x = 216,089,389,352.63/526,694.97
  6. Step 6: Final answer
    x = 410,274.26

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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.