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Finding the Fourth Proportional to 537,331.80, 804,831.30 and 444,019.80

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Solution

The fourth proportional to 537,331.80, 804,831.30 and 444,019.80 is: 665,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,331.80 : 804,831.30 = 444,019.80 : x
  2. Step 2: Convert to fraction form
    537,331.80/804,831.30 = 444,019.80/x
  3. Step 3: Cross multiply
    537,331.80x = 804,831.30 × 444,019.80
  4. Step 4: Simplify right side
    537,331.80x = 357,361,032,859.74
  5. Step 5: Solve for x
    x = 357,361,032,859.74/537,331.80
  6. Step 6: Final answer
    x = 665,065.85

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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.