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Finding the Fourth Proportional to 583.59, 875.84 and 579.03

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Solution

The fourth proportional to 583.59, 875.84 and 579.03 is: 868.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.59 : 875.84 = 579.03 : x
  2. Step 2: Convert to fraction form
    583.59/875.84 = 579.03/x
  3. Step 3: Cross multiply
    583.59x = 875.84 × 579.03
  4. Step 4: Simplify right side
    583.59x = 507,134.74
  5. Step 5: Solve for x
    x = 507,134.74/583.59
  6. Step 6: Final answer
    x = 868.99

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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.