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Finding the Fourth Proportional to 430.84, 594.04 and 372

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Solution

The fourth proportional to 430.84, 594.04 and 372 is: 512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.84 : 594.04 = 372 : x
  2. Step 2: Convert to fraction form
    430.84/594.04 = 372/x
  3. Step 3: Cross multiply
    430.84x = 594.04 × 372
  4. Step 4: Simplify right side
    430.84x = 220,982.88
  5. Step 5: Solve for x
    x = 220,982.88/430.84
  6. Step 6: Final answer
    x = 512.91

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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.