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Finding the Fourth Proportional to 1,308.34, 1,962.50 and 334.52

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Solution

The fourth proportional to 1,308.34, 1,962.50 and 334.52 is: 501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308.34 : 1,962.50 = 334.52 : x
  2. Step 2: Convert to fraction form
    1,308.34/1,962.50 = 334.52/x
  3. Step 3: Cross multiply
    1,308.34x = 1,962.50 × 334.52
  4. Step 4: Simplify right side
    1,308.34x = 656,484.01
  5. Step 5: Solve for x
    x = 656,484.01/1,308.34
  6. Step 6: Final answer
    x = 501.77

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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.