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Finding the Fourth Proportional to 623.49, 936.15 and 541.47

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Solution

The fourth proportional to 623.49, 936.15 and 541.47 is: 813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.49 : 936.15 = 541.47 : x
  2. Step 2: Convert to fraction form
    623.49/936.15 = 541.47/x
  3. Step 3: Cross multiply
    623.49x = 936.15 × 541.47
  4. Step 4: Simplify right side
    623.49x = 506,897.14
  5. Step 5: Solve for x
    x = 506,897.14/623.49
  6. Step 6: Final answer
    x = 813.00

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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.