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Finding the Fourth Proportional to 323,445.93, 484,632.51 and 196,702.80

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Solution

The fourth proportional to 323,445.93, 484,632.51 and 196,702.80 is: 294,728.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,445.93 : 484,632.51 = 196,702.80 : x
  2. Step 2: Convert to fraction form
    323,445.93/484,632.51 = 196,702.80/x
  3. Step 3: Cross multiply
    323,445.93x = 484,632.51 × 196,702.80
  4. Step 4: Simplify right side
    323,445.93x = 95,328,571,688.03
  5. Step 5: Solve for x
    x = 95,328,571,688.03/323,445.93
  6. Step 6: Final answer
    x = 294,728.00

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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.