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Finding the Fourth Proportional to 582.16, 803.19 and 333.40

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Solution

The fourth proportional to 582.16, 803.19 and 333.40 is: 459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.16 : 803.19 = 333.40 : x
  2. Step 2: Convert to fraction form
    582.16/803.19 = 333.40/x
  3. Step 3: Cross multiply
    582.16x = 803.19 × 333.40
  4. Step 4: Simplify right side
    582.16x = 267,783.55
  5. Step 5: Solve for x
    x = 267,783.55/582.16
  6. Step 6: Final answer
    x = 459.98

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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.