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Finding the Fourth Proportional to 1,014.52, 1,400.32 and 595

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Solution

The fourth proportional to 1,014.52, 1,400.32 and 595 is: 821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.52 : 1,400.32 = 595 : x
  2. Step 2: Convert to fraction form
    1,014.52/1,400.32 = 595/x
  3. Step 3: Cross multiply
    1,014.52x = 1,400.32 × 595
  4. Step 4: Simplify right side
    1,014.52x = 833,190.40
  5. Step 5: Solve for x
    x = 833,190.40/1,014.52
  6. Step 6: Final answer
    x = 821.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.