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Finding the Fourth Proportional to 526,687.56, 726,831.29 and 297,254.50

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Solution

The fourth proportional to 526,687.56, 726,831.29 and 297,254.50 is: 410,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,687.56 : 726,831.29 = 297,254.50 : x
  2. Step 2: Convert to fraction form
    526,687.56/726,831.29 = 297,254.50/x
  3. Step 3: Cross multiply
    526,687.56x = 726,831.29 × 297,254.50
  4. Step 4: Simplify right side
    526,687.56x = 216,053,870,619.36
  5. Step 5: Solve for x
    x = 216,053,870,619.36/526,687.56
  6. Step 6: Final answer
    x = 410,212.59

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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.