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Finding the Fourth Proportional to 1,046.86, 1,570.01 and 624.44

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Solution

The fourth proportional to 1,046.86, 1,570.01 and 624.44 is: 936.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.86 : 1,570.01 = 624.44 : x
  2. Step 2: Convert to fraction form
    1,046.86/1,570.01 = 624.44/x
  3. Step 3: Cross multiply
    1,046.86x = 1,570.01 × 624.44
  4. Step 4: Simplify right side
    1,046.86x = 980,377.85
  5. Step 5: Solve for x
    x = 980,377.85/1,046.86
  6. Step 6: Final answer
    x = 936.50

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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.