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Finding the Fourth Proportional to 903,704.55, 1,354,611 and 304,458.63

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Solution

The fourth proportional to 903,704.55, 1,354,611 and 304,458.63 is: 456,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,704.55 : 1,354,611 = 304,458.63 : x
  2. Step 2: Convert to fraction form
    903,704.55/1,354,611 = 304,458.63/x
  3. Step 3: Cross multiply
    903,704.55x = 1,354,611 × 304,458.63
  4. Step 4: Simplify right side
    903,704.55x = 412,423,009,242.93
  5. Step 5: Solve for x
    x = 412,423,009,242.93/903,704.55
  6. Step 6: Final answer
    x = 456,369.30

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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.