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Finding the Fourth Proportional to 957.58, 1,433.53 and 591.19

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Solution

The fourth proportional to 957.58, 1,433.53 and 591.19 is: 885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.58 : 1,433.53 = 591.19 : x
  2. Step 2: Convert to fraction form
    957.58/1,433.53 = 591.19/x
  3. Step 3: Cross multiply
    957.58x = 1,433.53 × 591.19
  4. Step 4: Simplify right side
    957.58x = 847,488.60
  5. Step 5: Solve for x
    x = 847,488.60/957.58
  6. Step 6: Final answer
    x = 885.03

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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.