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Finding the Fourth Proportional to 604,631.88, 905,951.28 and 351,201

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Solution

The fourth proportional to 604,631.88, 905,951.28 and 351,201 is: 526,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,631.88 : 905,951.28 = 351,201 : x
  2. Step 2: Convert to fraction form
    604,631.88/905,951.28 = 351,201/x
  3. Step 3: Cross multiply
    604,631.88x = 905,951.28 × 351,201
  4. Step 4: Simplify right side
    604,631.88x = 318,170,995,487.28
  5. Step 5: Solve for x
    x = 318,170,995,487.28/604,631.88
  6. Step 6: Final answer
    x = 526,222.66

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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.