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Finding the Fourth Proportional to 658,193.42, 987,328.41 and 184,915.69

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Solution

The fourth proportional to 658,193.42, 987,328.41 and 184,915.69 is: 277,384.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,193.42 : 987,328.41 = 184,915.69 : x
  2. Step 2: Convert to fraction form
    658,193.42/987,328.41 = 184,915.69/x
  3. Step 3: Cross multiply
    658,193.42x = 987,328.41 × 184,915.69
  4. Step 4: Simplify right side
    658,193.42x = 182,572,509,255.11
  5. Step 5: Solve for x
    x = 182,572,509,255.11/658,193.42
  6. Step 6: Final answer
    x = 277,384.28

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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.