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Finding the Fourth Proportional to 582.26, 803.52 and 346.38

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Solution

The fourth proportional to 582.26, 803.52 and 346.38 is: 478.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.26 : 803.52 = 346.38 : x
  2. Step 2: Convert to fraction form
    582.26/803.52 = 346.38/x
  3. Step 3: Cross multiply
    582.26x = 803.52 × 346.38
  4. Step 4: Simplify right side
    582.26x = 278,320.24
  5. Step 5: Solve for x
    x = 278,320.24/582.26
  6. Step 6: Final answer
    x = 478.00

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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.