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Finding the Fourth Proportional to 319,792.66, 479,939.56 and 223,101.04

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Solution

The fourth proportional to 319,792.66, 479,939.56 and 223,101.04 is: 334,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,792.66 : 479,939.56 = 223,101.04 : x
  2. Step 2: Convert to fraction form
    319,792.66/479,939.56 = 223,101.04/x
  3. Step 3: Cross multiply
    319,792.66x = 479,939.56 × 223,101.04
  4. Step 4: Simplify right side
    319,792.66x = 107,075,014,973.14
  5. Step 5: Solve for x
    x = 107,075,014,973.14/319,792.66
  6. Step 6: Final answer
    x = 334,826.37

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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.