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Finding the Fourth Proportional to 1,771.98, 2,658.12 and 473.46

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Solution

The fourth proportional to 1,771.98, 2,658.12 and 473.46 is: 710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.98 : 2,658.12 = 473.46 : x
  2. Step 2: Convert to fraction form
    1,771.98/2,658.12 = 473.46/x
  3. Step 3: Cross multiply
    1,771.98x = 2,658.12 × 473.46
  4. Step 4: Simplify right side
    1,771.98x = 1,258,513.50
  5. Step 5: Solve for x
    x = 1,258,513.50/1,771.98
  6. Step 6: Final answer
    x = 710.23

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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.