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Finding the Fourth Proportional to 583.93, 875.60 and 172.95

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Solution

The fourth proportional to 583.93, 875.60 and 172.95 is: 259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.93 : 875.60 = 172.95 : x
  2. Step 2: Convert to fraction form
    583.93/875.60 = 172.95/x
  3. Step 3: Cross multiply
    583.93x = 875.60 × 172.95
  4. Step 4: Simplify right side
    583.93x = 151,434.16
  5. Step 5: Solve for x
    x = 151,434.16/583.93
  6. Step 6: Final answer
    x = 259.34

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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.