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Finding the Fourth Proportional to 355,974.51, 534,330.82 and 238,467.00

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Solution

The fourth proportional to 355,974.51, 534,330.82 and 238,467.00 is: 357,947.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,974.51 : 534,330.82 = 238,467.00 : x
  2. Step 2: Convert to fraction form
    355,974.51/534,330.82 = 238,467.00/x
  3. Step 3: Cross multiply
    355,974.51x = 534,330.82 × 238,467.00
  4. Step 4: Simplify right side
    355,974.51x = 127,420,264,775.66
  5. Step 5: Solve for x
    x = 127,420,264,775.66/355,974.51
  6. Step 6: Final answer
    x = 357,947.73

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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.