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Finding the Fourth Proportional to 601,386.35, 902,375.91 and 281,559.87

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Solution

The fourth proportional to 601,386.35, 902,375.91 and 281,559.87 is: 422,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,386.35 : 902,375.91 = 281,559.87 : x
  2. Step 2: Convert to fraction form
    601,386.35/902,375.91 = 281,559.87/x
  3. Step 3: Cross multiply
    601,386.35x = 902,375.91 × 281,559.87
  4. Step 4: Simplify right side
    601,386.35x = 254,072,844,966.58
  5. Step 5: Solve for x
    x = 254,072,844,966.58/601,386.35
  6. Step 6: Final answer
    x = 422,478.57

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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.