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Finding the Fourth Proportional to 560.57, 839.55 and 541.11

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Solution

The fourth proportional to 560.57, 839.55 and 541.11 is: 810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.57 : 839.55 = 541.11 : x
  2. Step 2: Convert to fraction form
    560.57/839.55 = 541.11/x
  3. Step 3: Cross multiply
    560.57x = 839.55 × 541.11
  4. Step 4: Simplify right side
    560.57x = 454,287.78
  5. Step 5: Solve for x
    x = 454,287.78/560.57
  6. Step 6: Final answer
    x = 810.40

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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.