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Finding the Fourth Proportional to 955.38, 1,319.06 and 597.01

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Solution

The fourth proportional to 955.38, 1,319.06 and 597.01 is: 824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.38 : 1,319.06 = 597.01 : x
  2. Step 2: Convert to fraction form
    955.38/1,319.06 = 597.01/x
  3. Step 3: Cross multiply
    955.38x = 1,319.06 × 597.01
  4. Step 4: Simplify right side
    955.38x = 787,496.72
  5. Step 5: Solve for x
    x = 787,496.72/955.38
  6. Step 6: Final answer
    x = 824.28

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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.