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Finding the Fourth Proportional to 953.94, 1,314.72 and 604.02

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Solution

The fourth proportional to 953.94, 1,314.72 and 604.02 is: 832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.94 : 1,314.72 = 604.02 : x
  2. Step 2: Convert to fraction form
    953.94/1,314.72 = 604.02/x
  3. Step 3: Cross multiply
    953.94x = 1,314.72 × 604.02
  4. Step 4: Simplify right side
    953.94x = 794,117.17
  5. Step 5: Solve for x
    x = 794,117.17/953.94
  6. Step 6: Final answer
    x = 832.46

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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.