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Finding the Fourth Proportional to 535,816.77, 739,424.55 and 294,103.46

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Solution

The fourth proportional to 535,816.77, 739,424.55 and 294,103.46 is: 405,861.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,816.77 : 739,424.55 = 294,103.46 : x
  2. Step 2: Convert to fraction form
    535,816.77/739,424.55 = 294,103.46/x
  3. Step 3: Cross multiply
    535,816.77x = 739,424.55 × 294,103.46
  4. Step 4: Simplify right side
    535,816.77x = 217,467,315,701.80
  5. Step 5: Solve for x
    x = 217,467,315,701.80/535,816.77
  6. Step 6: Final answer
    x = 405,861.34

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1.5x scale

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.