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Finding the Fourth Proportional to 589.45, 883.20 and 358.41

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Solution

The fourth proportional to 589.45, 883.20 and 358.41 is: 537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.45 : 883.20 = 358.41 : x
  2. Step 2: Convert to fraction form
    589.45/883.20 = 358.41/x
  3. Step 3: Cross multiply
    589.45x = 883.20 × 358.41
  4. Step 4: Simplify right side
    589.45x = 316,547.71
  5. Step 5: Solve for x
    x = 316,547.71/589.45
  6. Step 6: Final answer
    x = 537.02

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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.