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Finding the Fourth Proportional to 615.04, 848.74 and 335.26

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Solution

The fourth proportional to 615.04, 848.74 and 335.26 is: 462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.04 : 848.74 = 335.26 : x
  2. Step 2: Convert to fraction form
    615.04/848.74 = 335.26/x
  3. Step 3: Cross multiply
    615.04x = 848.74 × 335.26
  4. Step 4: Simplify right side
    615.04x = 284,548.57
  5. Step 5: Solve for x
    x = 284,548.57/615.04
  6. Step 6: Final answer
    x = 462.65

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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.