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Finding the Fourth Proportional to 957.99, 1,437.29 and 373.24

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Solution

The fourth proportional to 957.99, 1,437.29 and 373.24 is: 559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.99 : 1,437.29 = 373.24 : x
  2. Step 2: Convert to fraction form
    957.99/1,437.29 = 373.24/x
  3. Step 3: Cross multiply
    957.99x = 1,437.29 × 373.24
  4. Step 4: Simplify right side
    957.99x = 536,454.12
  5. Step 5: Solve for x
    x = 536,454.12/957.99
  6. Step 6: Final answer
    x = 559.98

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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.