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Finding the Fourth Proportional to 547,533.52, 755,611.49 and 302,534.06

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Solution

The fourth proportional to 547,533.52, 755,611.49 and 302,534.06 is: 417,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,533.52 : 755,611.49 = 302,534.06 : x
  2. Step 2: Convert to fraction form
    547,533.52/755,611.49 = 302,534.06/x
  3. Step 3: Cross multiply
    547,533.52x = 755,611.49 × 302,534.06
  4. Step 4: Simplify right side
    547,533.52x = 228,598,213,292.64
  5. Step 5: Solve for x
    x = 228,598,213,292.64/547,533.52
  6. Step 6: Final answer
    x = 417,505.42

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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.