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Finding the Fourth Proportional to 1,570.44, 2,354.89 and 582.95

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Solution

The fourth proportional to 1,570.44, 2,354.89 and 582.95 is: 874.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.44 : 2,354.89 = 582.95 : x
  2. Step 2: Convert to fraction form
    1,570.44/2,354.89 = 582.95/x
  3. Step 3: Cross multiply
    1,570.44x = 2,354.89 × 582.95
  4. Step 4: Simplify right side
    1,570.44x = 1,372,788.65
  5. Step 5: Solve for x
    x = 1,372,788.65/1,570.44
  6. Step 6: Final answer
    x = 874.14

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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.