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Finding the Fourth Proportional to 1,050.52, 1,573.62 and 617.44

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Solution

The fourth proportional to 1,050.52, 1,573.62 and 617.44 is: 924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.52 : 1,573.62 = 617.44 : x
  2. Step 2: Convert to fraction form
    1,050.52/1,573.62 = 617.44/x
  3. Step 3: Cross multiply
    1,050.52x = 1,573.62 × 617.44
  4. Step 4: Simplify right side
    1,050.52x = 971,615.93
  5. Step 5: Solve for x
    x = 971,615.93/1,050.52
  6. Step 6: Final answer
    x = 924.89

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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.