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Finding the Fourth Proportional to 955.66, 1,433.93 and 590.22

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Solution

The fourth proportional to 955.66, 1,433.93 and 590.22 is: 885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.66 : 1,433.93 = 590.22 : x
  2. Step 2: Convert to fraction form
    955.66/1,433.93 = 590.22/x
  3. Step 3: Cross multiply
    955.66x = 1,433.93 × 590.22
  4. Step 4: Simplify right side
    955.66x = 846,334.16
  5. Step 5: Solve for x
    x = 846,334.16/955.66
  6. Step 6: Final answer
    x = 885.60

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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.