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Finding the Fourth Proportional to 841.03, 1,160.66 and 467.99

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Solution

The fourth proportional to 841.03, 1,160.66 and 467.99 is: 645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.03 : 1,160.66 = 467.99 : x
  2. Step 2: Convert to fraction form
    841.03/1,160.66 = 467.99/x
  3. Step 3: Cross multiply
    841.03x = 1,160.66 × 467.99
  4. Step 4: Simplify right side
    841.03x = 543,177.84
  5. Step 5: Solve for x
    x = 543,177.84/841.03
  6. Step 6: Final answer
    x = 645.85

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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.