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Finding the Fourth Proportional to 459.52, 632.64 and 411.84

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Solution

The fourth proportional to 459.52, 632.64 and 411.84 is: 567.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.52 : 632.64 = 411.84 : x
  2. Step 2: Convert to fraction form
    459.52/632.64 = 411.84/x
  3. Step 3: Cross multiply
    459.52x = 632.64 × 411.84
  4. Step 4: Simplify right side
    459.52x = 260,546.46
  5. Step 5: Solve for x
    x = 260,546.46/459.52
  6. Step 6: Final answer
    x = 567.00

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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.