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Finding the Fourth Proportional to 373,812.48, 560,807.28 and 149,185.44

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Solution

The fourth proportional to 373,812.48, 560,807.28 and 149,185.44 is: 223,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,812.48 : 560,807.28 = 149,185.44 : x
  2. Step 2: Convert to fraction form
    373,812.48/560,807.28 = 149,185.44/x
  3. Step 3: Cross multiply
    373,812.48x = 560,807.28 × 149,185.44
  4. Step 4: Simplify right side
    373,812.48x = 83,664,280,822.00
  5. Step 5: Solve for x
    x = 83,664,280,822.00/373,812.48
  6. Step 6: Final answer
    x = 223,813.50

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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.