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Finding the Fourth Proportional to 539,831.54, 810,245.53 and 273,778.89

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Solution

The fourth proportional to 539,831.54, 810,245.53 and 273,778.89 is: 410,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,831.54 : 810,245.53 = 273,778.89 : x
  2. Step 2: Convert to fraction form
    539,831.54/810,245.53 = 273,778.89/x
  3. Step 3: Cross multiply
    539,831.54x = 810,245.53 × 273,778.89
  4. Step 4: Simplify right side
    539,831.54x = 221,828,119,134.67
  5. Step 5: Solve for x
    x = 221,828,119,134.67/539,831.54
  6. Step 6: Final answer
    x = 410,921.01

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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.