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Finding the Fourth Proportional to 287,967.42, 397,466.19 and 174,884.94

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Solution

The fourth proportional to 287,967.42, 397,466.19 and 174,884.94 is: 241,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,967.42 : 397,466.19 = 174,884.94 : x
  2. Step 2: Convert to fraction form
    287,967.42/397,466.19 = 174,884.94/x
  3. Step 3: Cross multiply
    287,967.42x = 397,466.19 × 174,884.94
  4. Step 4: Simplify right side
    287,967.42x = 69,510,850,790.18
  5. Step 5: Solve for x
    x = 69,510,850,790.18/287,967.42
  6. Step 6: Final answer
    x = 241,384.43

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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.