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Finding the Fourth Proportional to 529,369.28, 793,587.04 and 196,712

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Solution

The fourth proportional to 529,369.28, 793,587.04 and 196,712 is: 294,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,369.28 : 793,587.04 = 196,712 : x
  2. Step 2: Convert to fraction form
    529,369.28/793,587.04 = 196,712/x
  3. Step 3: Cross multiply
    529,369.28x = 793,587.04 × 196,712
  4. Step 4: Simplify right side
    529,369.28x = 156,108,093,812.48
  5. Step 5: Solve for x
    x = 156,108,093,812.48/529,369.28
  6. Step 6: Final answer
    x = 294,894.51

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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.