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Finding the Fourth Proportional to 561,098.70, 841,348.89 and 245,185.74

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Solution

The fourth proportional to 561,098.70, 841,348.89 and 245,185.74 is: 367,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,098.70 : 841,348.89 = 245,185.74 : x
  2. Step 2: Convert to fraction form
    561,098.70/841,348.89 = 245,185.74/x
  3. Step 3: Cross multiply
    561,098.70x = 841,348.89 × 245,185.74
  4. Step 4: Simplify right side
    561,098.70x = 206,286,750,192.83
  5. Step 5: Solve for x
    x = 206,286,750,192.83/561,098.70
  6. Step 6: Final answer
    x = 367,647.88

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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.