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Finding the Fourth Proportional to 864,573.89, 1,294,203.35 and 737,028.05

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Solution

The fourth proportional to 864,573.89, 1,294,203.35 and 737,028.05 is: 1,103,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,573.89 : 1,294,203.35 = 737,028.05 : x
  2. Step 2: Convert to fraction form
    864,573.89/1,294,203.35 = 737,028.05/x
  3. Step 3: Cross multiply
    864,573.89x = 1,294,203.35 × 737,028.05
  4. Step 4: Simplify right side
    864,573.89x = 953,864,166,725.52
  5. Step 5: Solve for x
    x = 953,864,166,725.52/864,573.89
  6. Step 6: Final answer
    x = 1,103,276.64

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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.