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Finding the Fourth Proportional to 1,336.34, 2,004.48 and 470.63

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Solution

The fourth proportional to 1,336.34, 2,004.48 and 470.63 is: 705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.34 : 2,004.48 = 470.63 : x
  2. Step 2: Convert to fraction form
    1,336.34/2,004.48 = 470.63/x
  3. Step 3: Cross multiply
    1,336.34x = 2,004.48 × 470.63
  4. Step 4: Simplify right side
    1,336.34x = 943,358.40
  5. Step 5: Solve for x
    x = 943,358.40/1,336.34
  6. Step 6: Final answer
    x = 705.93

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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.