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Finding the Fourth Proportional to 746.04, 1,030 and 466.38

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Solution

The fourth proportional to 746.04, 1,030 and 466.38 is: 643.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.04 : 1,030 = 466.38 : x
  2. Step 2: Convert to fraction form
    746.04/1,030 = 466.38/x
  3. Step 3: Cross multiply
    746.04x = 1,030 × 466.38
  4. Step 4: Simplify right side
    746.04x = 480,371.40
  5. Step 5: Solve for x
    x = 480,371.40/746.04
  6. Step 6: Final answer
    x = 643.89

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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.