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Finding the Fourth Proportional to 582.08, 803.36 and 349.24

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Solution

The fourth proportional to 582.08, 803.36 and 349.24 is: 482.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.08 : 803.36 = 349.24 : x
  2. Step 2: Convert to fraction form
    582.08/803.36 = 349.24/x
  3. Step 3: Cross multiply
    582.08x = 803.36 × 349.24
  4. Step 4: Simplify right side
    582.08x = 280,565.45
  5. Step 5: Solve for x
    x = 280,565.45/582.08
  6. Step 6: Final answer
    x = 482.00

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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.