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Finding the Fourth Proportional to 956.01, 1,319.22 and 536.36

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Solution

The fourth proportional to 956.01, 1,319.22 and 536.36 is: 740.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.01 : 1,319.22 = 536.36 : x
  2. Step 2: Convert to fraction form
    956.01/1,319.22 = 536.36/x
  3. Step 3: Cross multiply
    956.01x = 1,319.22 × 536.36
  4. Step 4: Simplify right side
    956.01x = 707,570.24
  5. Step 5: Solve for x
    x = 707,570.24/956.01
  6. Step 6: Final answer
    x = 740.13

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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.