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Finding the Fourth Proportional to 1,062.89, 1,594.59 and 446.25

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Solution

The fourth proportional to 1,062.89, 1,594.59 and 446.25 is: 669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.89 : 1,594.59 = 446.25 : x
  2. Step 2: Convert to fraction form
    1,062.89/1,594.59 = 446.25/x
  3. Step 3: Cross multiply
    1,062.89x = 1,594.59 × 446.25
  4. Step 4: Simplify right side
    1,062.89x = 711,585.79
  5. Step 5: Solve for x
    x = 711,585.79/1,062.89
  6. Step 6: Final answer
    x = 669.48

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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.