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Finding the Fourth Proportional to 956.69, 1,433.95 and 470.08

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Solution

The fourth proportional to 956.69, 1,433.95 and 470.08 is: 704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.69 : 1,433.95 = 470.08 : x
  2. Step 2: Convert to fraction form
    956.69/1,433.95 = 470.08/x
  3. Step 3: Cross multiply
    956.69x = 1,433.95 × 470.08
  4. Step 4: Simplify right side
    956.69x = 674,066.46
  5. Step 5: Solve for x
    x = 674,066.46/956.69
  6. Step 6: Final answer
    x = 704.59

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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.