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Finding the Fourth Proportional to 356,858.06, 535,117.59 and 207,144.27

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Solution

The fourth proportional to 356,858.06, 535,117.59 and 207,144.27 is: 310,618.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,858.06 : 535,117.59 = 207,144.27 : x
  2. Step 2: Convert to fraction form
    356,858.06/535,117.59 = 207,144.27/x
  3. Step 3: Cross multiply
    356,858.06x = 535,117.59 × 207,144.27
  4. Step 4: Simplify right side
    356,858.06x = 110,846,542,544.71
  5. Step 5: Solve for x
    x = 110,846,542,544.71/356,858.06
  6. Step 6: Final answer
    x = 310,618.02

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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.