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Finding the Fourth Proportional to 504,555.67, 755,977.06 and 304,455.61

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Solution

The fourth proportional to 504,555.67, 755,977.06 and 304,455.61 is: 456,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,555.67 : 755,977.06 = 304,455.61 : x
  2. Step 2: Convert to fraction form
    504,555.67/755,977.06 = 304,455.61/x
  3. Step 3: Cross multiply
    504,555.67x = 755,977.06 × 304,455.61
  4. Step 4: Simplify right side
    504,555.67x = 230,161,456,948.31
  5. Step 5: Solve for x
    x = 230,161,456,948.31/504,555.67
  6. Step 6: Final answer
    x = 456,166.62

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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.