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Finding the Fourth Proportional to 432.06, 596 and 384.84

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Solution

The fourth proportional to 432.06, 596 and 384.84 is: 530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.06 : 596 = 384.84 : x
  2. Step 2: Convert to fraction form
    432.06/596 = 384.84/x
  3. Step 3: Cross multiply
    432.06x = 596 × 384.84
  4. Step 4: Simplify right side
    432.06x = 229,364.64
  5. Step 5: Solve for x
    x = 229,364.64/432.06
  6. Step 6: Final answer
    x = 530.86

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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.