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Finding the Fourth Proportional to 894.23, 1,341.74 and 374.61

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Solution

The fourth proportional to 894.23, 1,341.74 and 374.61 is: 562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.23 : 1,341.74 = 374.61 : x
  2. Step 2: Convert to fraction form
    894.23/1,341.74 = 374.61/x
  3. Step 3: Cross multiply
    894.23x = 1,341.74 × 374.61
  4. Step 4: Simplify right side
    894.23x = 502,630.16
  5. Step 5: Solve for x
    x = 502,630.16/894.23
  6. Step 6: Final answer
    x = 562.08

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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.