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Finding the Fourth Proportional to 1,570.75, 2,356.54 and 596.32

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Solution

The fourth proportional to 1,570.75, 2,356.54 and 596.32 is: 894.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.75 : 2,356.54 = 596.32 : x
  2. Step 2: Convert to fraction form
    1,570.75/2,356.54 = 596.32/x
  3. Step 3: Cross multiply
    1,570.75x = 2,356.54 × 596.32
  4. Step 4: Simplify right side
    1,570.75x = 1,405,244.55
  5. Step 5: Solve for x
    x = 1,405,244.55/1,570.75
  6. Step 6: Final answer
    x = 894.63

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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.