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Finding the Fourth Proportional to 364,724.61, 547,114.58 and 98,481.26

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Solution

The fourth proportional to 364,724.61, 547,114.58 and 98,481.26 is: 147,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,724.61 : 547,114.58 = 98,481.26 : x
  2. Step 2: Convert to fraction form
    364,724.61/547,114.58 = 98,481.26/x
  3. Step 3: Cross multiply
    364,724.61x = 547,114.58 × 98,481.26
  4. Step 4: Simplify right side
    364,724.61x = 53,880,529,974.79
  5. Step 5: Solve for x
    x = 53,880,529,974.79/364,724.61
  6. Step 6: Final answer
    x = 147,729.35

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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.