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Finding the Fourth Proportional to 589.60, 882.78 and 358.14

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Solution

The fourth proportional to 589.60, 882.78 and 358.14 is: 536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.60 : 882.78 = 358.14 : x
  2. Step 2: Convert to fraction form
    589.60/882.78 = 358.14/x
  3. Step 3: Cross multiply
    589.60x = 882.78 × 358.14
  4. Step 4: Simplify right side
    589.60x = 316,158.83
  5. Step 5: Solve for x
    x = 316,158.83/589.60
  6. Step 6: Final answer
    x = 536.23

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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.