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Finding the Fourth Proportional to 592.62, 890.48 and 555.72

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Solution

The fourth proportional to 592.62, 890.48 and 555.72 is: 835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.62 : 890.48 = 555.72 : x
  2. Step 2: Convert to fraction form
    592.62/890.48 = 555.72/x
  3. Step 3: Cross multiply
    592.62x = 890.48 × 555.72
  4. Step 4: Simplify right side
    592.62x = 494,857.55
  5. Step 5: Solve for x
    x = 494,857.55/592.62
  6. Step 6: Final answer
    x = 835.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.