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Finding the Fourth Proportional to 504.84, 696.61 and 292.07

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Solution

The fourth proportional to 504.84, 696.61 and 292.07 is: 403.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.84 : 696.61 = 292.07 : x
  2. Step 2: Convert to fraction form
    504.84/696.61 = 292.07/x
  3. Step 3: Cross multiply
    504.84x = 696.61 × 292.07
  4. Step 4: Simplify right side
    504.84x = 203,458.88
  5. Step 5: Solve for x
    x = 203,458.88/504.84
  6. Step 6: Final answer
    x = 403.02

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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.