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Finding the Fourth Proportional to 594.92, 891.60 and 430.94

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Solution

The fourth proportional to 594.92, 891.60 and 430.94 is: 645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.92 : 891.60 = 430.94 : x
  2. Step 2: Convert to fraction form
    594.92/891.60 = 430.94/x
  3. Step 3: Cross multiply
    594.92x = 891.60 × 430.94
  4. Step 4: Simplify right side
    594.92x = 384,226.10
  5. Step 5: Solve for x
    x = 384,226.10/594.92
  6. Step 6: Final answer
    x = 645.84

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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.