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Finding the Fourth Proportional to 956.93, 1,435.49 and 371.98

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Solution

The fourth proportional to 956.93, 1,435.49 and 371.98 is: 558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.93 : 1,435.49 = 371.98 : x
  2. Step 2: Convert to fraction form
    956.93/1,435.49 = 371.98/x
  3. Step 3: Cross multiply
    956.93x = 1,435.49 × 371.98
  4. Step 4: Simplify right side
    956.93x = 533,969.46
  5. Step 5: Solve for x
    x = 533,969.46/956.93
  6. Step 6: Final answer
    x = 558.00

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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.