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Finding the Fourth Proportional to 444,831.60, 667,247.40 and 415,088.40

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Solution

The fourth proportional to 444,831.60, 667,247.40 and 415,088.40 is: 622,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,831.60 : 667,247.40 = 415,088.40 : x
  2. Step 2: Convert to fraction form
    444,831.60/667,247.40 = 415,088.40/x
  3. Step 3: Cross multiply
    444,831.60x = 667,247.40 × 415,088.40
  4. Step 4: Simplify right side
    444,831.60x = 276,966,655,670.16
  5. Step 5: Solve for x
    x = 276,966,655,670.16/444,831.60
  6. Step 6: Final answer
    x = 622,632.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.