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Finding the Fourth Proportional to 424,046.63, 585,168.27 and 242,775.41

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Solution

The fourth proportional to 424,046.63, 585,168.27 and 242,775.41 is: 335,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,046.63 : 585,168.27 = 242,775.41 : x
  2. Step 2: Convert to fraction form
    424,046.63/585,168.27 = 242,775.41/x
  3. Step 3: Cross multiply
    424,046.63x = 585,168.27 × 242,775.41
  4. Step 4: Simplify right side
    424,046.63x = 142,064,463,742.40
  5. Step 5: Solve for x
    x = 142,064,463,742.40/424,046.63
  6. Step 6: Final answer
    x = 335,020.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.