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Finding the Fourth Proportional to 903,474, 1,355,239.08 and 334,996.56

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Solution

The fourth proportional to 903,474, 1,355,239.08 and 334,996.56 is: 502,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,474 : 1,355,239.08 = 334,996.56 : x
  2. Step 2: Convert to fraction form
    903,474/1,355,239.08 = 334,996.56/x
  3. Step 3: Cross multiply
    903,474x = 1,355,239.08 × 334,996.56
  4. Step 4: Simplify right side
    903,474x = 454,000,429,777.57
  5. Step 5: Solve for x
    x = 454,000,429,777.57/903,474
  6. Step 6: Final answer
    x = 502,505.25

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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.