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Finding the Fourth Proportional to 583.16, 875.16 and 525.74

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Solution

The fourth proportional to 583.16, 875.16 and 525.74 is: 788.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.16 : 875.16 = 525.74 : x
  2. Step 2: Convert to fraction form
    583.16/875.16 = 525.74/x
  3. Step 3: Cross multiply
    583.16x = 875.16 × 525.74
  4. Step 4: Simplify right side
    583.16x = 460,102.24
  5. Step 5: Solve for x
    x = 460,102.24/583.16
  6. Step 6: Final answer
    x = 788.99

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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.