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Finding the Fourth Proportional to 863,963.72, 1,295,797.88 and 232,729.90

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Solution

The fourth proportional to 863,963.72, 1,295,797.88 and 232,729.90 is: 349,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,963.72 : 1,295,797.88 = 232,729.90 : x
  2. Step 2: Convert to fraction form
    863,963.72/1,295,797.88 = 232,729.90/x
  3. Step 3: Cross multiply
    863,963.72x = 1,295,797.88 × 232,729.90
  4. Step 4: Simplify right side
    863,963.72x = 301,570,911,032.61
  5. Step 5: Solve for x
    x = 301,570,911,032.61/863,963.72
  6. Step 6: Final answer
    x = 349,055.06

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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.