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Finding the Fourth Proportional to 846.76, 1,270.14 and 360.04

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Solution

The fourth proportional to 846.76, 1,270.14 and 360.04 is: 540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.76 : 1,270.14 = 360.04 : x
  2. Step 2: Convert to fraction form
    846.76/1,270.14 = 360.04/x
  3. Step 3: Cross multiply
    846.76x = 1,270.14 × 360.04
  4. Step 4: Simplify right side
    846.76x = 457,301.21
  5. Step 5: Solve for x
    x = 457,301.21/846.76
  6. Step 6: Final answer
    x = 540.06

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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.