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Finding the Fourth Proportional to 846.30, 1,167.86 and 473.32

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Solution

The fourth proportional to 846.30, 1,167.86 and 473.32 is: 653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.30 : 1,167.86 = 473.32 : x
  2. Step 2: Convert to fraction form
    846.30/1,167.86 = 473.32/x
  3. Step 3: Cross multiply
    846.30x = 1,167.86 × 473.32
  4. Step 4: Simplify right side
    846.30x = 552,764.47
  5. Step 5: Solve for x
    x = 552,764.47/846.30
  6. Step 6: Final answer
    x = 653.16

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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.