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Finding the Fourth Proportional to 894, 1,341.42 and 346.56

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Solution

The fourth proportional to 894, 1,341.42 and 346.56 is: 520.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    894 : 1,341.42 = 346.56 : x
  2. Step 2: Convert to fraction form
    894/1,341.42 = 346.56/x
  3. Step 3: Cross multiply
    894x = 1,341.42 × 346.56
  4. Step 4: Simplify right side
    894x = 464,882.52
  5. Step 5: Solve for x
    x = 464,882.52/894
  6. Step 6: Final answer
    x = 520.00

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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.