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Finding the Fourth Proportional to 693.59, 957.02 and 483.44

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Solution

The fourth proportional to 693.59, 957.02 and 483.44 is: 667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    693.59 : 957.02 = 483.44 : x
  2. Step 2: Convert to fraction form
    693.59/957.02 = 483.44/x
  3. Step 3: Cross multiply
    693.59x = 957.02 × 483.44
  4. Step 4: Simplify right side
    693.59x = 462,654.55
  5. Step 5: Solve for x
    x = 462,654.55/693.59
  6. Step 6: Final answer
    x = 667.05

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1.5x scale

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.