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Finding the Fourth Proportional to 675,101.70, 1,013,041.35 and 254,679.30

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Solution

The fourth proportional to 675,101.70, 1,013,041.35 and 254,679.30 is: 382,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,101.70 : 1,013,041.35 = 254,679.30 : x
  2. Step 2: Convert to fraction form
    675,101.70/1,013,041.35 = 254,679.30/x
  3. Step 3: Cross multiply
    675,101.70x = 1,013,041.35 × 254,679.30
  4. Step 4: Simplify right side
    675,101.70x = 258,000,661,889.06
  5. Step 5: Solve for x
    x = 258,000,661,889.06/675,101.70
  6. Step 6: Final answer
    x = 382,165.62

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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.