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Finding the Fourth Proportional to 841.04, 1,160.54 and 468

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Solution

The fourth proportional to 841.04, 1,160.54 and 468 is: 645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.04 : 1,160.54 = 468 : x
  2. Step 2: Convert to fraction form
    841.04/1,160.54 = 468/x
  3. Step 3: Cross multiply
    841.04x = 1,160.54 × 468
  4. Step 4: Simplify right side
    841.04x = 543,132.72
  5. Step 5: Solve for x
    x = 543,132.72/841.04
  6. Step 6: Final answer
    x = 645.79

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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.