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Finding the Fourth Proportional to 582, 803.16 and 346.02

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Solution

The fourth proportional to 582, 803.16 and 346.02 is: 477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    582 : 803.16 = 346.02 : x
  2. Step 2: Convert to fraction form
    582/803.16 = 346.02/x
  3. Step 3: Cross multiply
    582x = 803.16 × 346.02
  4. Step 4: Simplify right side
    582x = 277,909.42
  5. Step 5: Solve for x
    x = 277,909.42/582
  6. Step 6: Final answer
    x = 477.51

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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.