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Finding the Fourth Proportional to 846.34, 1,166.88 and 583.90

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Solution

The fourth proportional to 846.34, 1,166.88 and 583.90 is: 805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.34 : 1,166.88 = 583.90 : x
  2. Step 2: Convert to fraction form
    846.34/1,166.88 = 583.90/x
  3. Step 3: Cross multiply
    846.34x = 1,166.88 × 583.90
  4. Step 4: Simplify right side
    846.34x = 681,341.23
  5. Step 5: Solve for x
    x = 681,341.23/846.34
  6. Step 6: Final answer
    x = 805.04

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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.