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Finding the Fourth Proportional to 1,784,831.97, 2,463,054.50 and 969,019.47

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Solution

The fourth proportional to 1,784,831.97, 2,463,054.50 and 969,019.47 is: 1,337,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,831.97 : 2,463,054.50 = 969,019.47 : x
  2. Step 2: Convert to fraction form
    1,784,831.97/2,463,054.50 = 969,019.47/x
  3. Step 3: Cross multiply
    1,784,831.97x = 2,463,054.50 × 969,019.47
  4. Step 4: Simplify right side
    1,784,831.97x = 2,386,747,761,326.02
  5. Step 5: Solve for x
    x = 2,386,747,761,326.02/1,784,831.97
  6. Step 6: Final answer
    x = 1,337,239.47

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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.