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Finding the Fourth Proportional to 535,851.36, 739,484.16 and 294,156.48

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Solution

The fourth proportional to 535,851.36, 739,484.16 and 294,156.48 is: 405,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,851.36 : 739,484.16 = 294,156.48 : x
  2. Step 2: Convert to fraction form
    535,851.36/739,484.16 = 294,156.48/x
  3. Step 3: Cross multiply
    535,851.36x = 739,484.16 × 294,156.48
  4. Step 4: Simplify right side
    535,851.36x = 217,524,057,521.36
  5. Step 5: Solve for x
    x = 217,524,057,521.36/535,851.36
  6. Step 6: Final answer
    x = 405,941.04

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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.