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Finding the Fourth Proportional to 364,857.60, 547,286.40 and 98,610.60

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Solution

The fourth proportional to 364,857.60, 547,286.40 and 98,610.60 is: 147,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,857.60 : 547,286.40 = 98,610.60 : x
  2. Step 2: Convert to fraction form
    364,857.60/547,286.40 = 98,610.60/x
  3. Step 3: Cross multiply
    364,857.60x = 547,286.40 × 98,610.60
  4. Step 4: Simplify right side
    364,857.60x = 53,968,240,275.84
  5. Step 5: Solve for x
    x = 53,968,240,275.84/364,857.60
  6. Step 6: Final answer
    x = 147,915.90

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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.