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Finding the Fourth Proportional to 399,897.17, 600,012.48 and 175,418.70

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Solution

The fourth proportional to 399,897.17, 600,012.48 and 175,418.70 is: 263,201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,897.17 : 600,012.48 = 175,418.70 : x
  2. Step 2: Convert to fraction form
    399,897.17/600,012.48 = 175,418.70/x
  3. Step 3: Cross multiply
    399,897.17x = 600,012.48 × 175,418.70
  4. Step 4: Simplify right side
    399,897.17x = 105,253,409,883.20
  5. Step 5: Solve for x
    x = 105,253,409,883.20/399,897.17
  6. Step 6: Final answer
    x = 263,201.19

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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.