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Finding the Fourth Proportional to 916.95, 1,375.52 and 332.00

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Solution

The fourth proportional to 916.95, 1,375.52 and 332.00 is: 498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    916.95 : 1,375.52 = 332.00 : x
  2. Step 2: Convert to fraction form
    916.95/1,375.52 = 332.00/x
  3. Step 3: Cross multiply
    916.95x = 1,375.52 × 332.00
  4. Step 4: Simplify right side
    916.95x = 456,664.10
  5. Step 5: Solve for x
    x = 456,664.10/916.95
  6. Step 6: Final answer
    x = 498.03

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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.