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Finding the Fourth Proportional to 957.98, 1,437.08 and 264.66

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Solution

The fourth proportional to 957.98, 1,437.08 and 264.66 is: 397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.98 : 1,437.08 = 264.66 : x
  2. Step 2: Convert to fraction form
    957.98/1,437.08 = 264.66/x
  3. Step 3: Cross multiply
    957.98x = 1,437.08 × 264.66
  4. Step 4: Simplify right side
    957.98x = 380,330.88
  5. Step 5: Solve for x
    x = 380,330.88/957.98
  6. Step 6: Final answer
    x = 397.01

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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.