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Finding the Fourth Proportional to 398,353.00, 597,528.75 and 124,820.14

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Solution

The fourth proportional to 398,353.00, 597,528.75 and 124,820.14 is: 187,229.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,353.00 : 597,528.75 = 124,820.14 : x
  2. Step 2: Convert to fraction form
    398,353.00/597,528.75 = 124,820.14/x
  3. Step 3: Cross multiply
    398,353.00x = 597,528.75 × 124,820.14
  4. Step 4: Simplify right side
    398,353.00x = 74,583,621,988.44
  5. Step 5: Solve for x
    x = 74,583,621,988.44/398,353.00
  6. Step 6: Final answer
    x = 187,229.98

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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.