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Finding the Fourth Proportional to 526,998.88, 727,076.72 and 297,527.52

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Solution

The fourth proportional to 526,998.88, 727,076.72 and 297,527.52 is: 410,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,998.88 : 727,076.72 = 297,527.52 : x
  2. Step 2: Convert to fraction form
    526,998.88/727,076.72 = 297,527.52/x
  3. Step 3: Cross multiply
    526,998.88x = 727,076.72 × 297,527.52
  4. Step 4: Simplify right side
    526,998.88x = 216,325,333,351.33
  5. Step 5: Solve for x
    x = 216,325,333,351.33/526,998.88
  6. Step 6: Final answer
    x = 410,485.38

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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.