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Finding the Fourth Proportional to 964.04, 1,330.04 and 586.04

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Solution

The fourth proportional to 964.04, 1,330.04 and 586.04 is: 808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.04 : 1,330.04 = 586.04 : x
  2. Step 2: Convert to fraction form
    964.04/1,330.04 = 586.04/x
  3. Step 3: Cross multiply
    964.04x = 1,330.04 × 586.04
  4. Step 4: Simplify right side
    964.04x = 779,456.64
  5. Step 5: Solve for x
    x = 779,456.64/964.04
  6. Step 6: Final answer
    x = 808.53

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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.