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Finding the Fourth Proportional to 953.73, 1,316.09 and 534.08

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Solution

The fourth proportional to 953.73, 1,316.09 and 534.08 is: 737.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.73 : 1,316.09 = 534.08 : x
  2. Step 2: Convert to fraction form
    953.73/1,316.09 = 534.08/x
  3. Step 3: Cross multiply
    953.73x = 1,316.09 × 534.08
  4. Step 4: Simplify right side
    953.73x = 702,894.68
  5. Step 5: Solve for x
    x = 702,894.68/953.73
  6. Step 6: Final answer
    x = 737.00

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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.