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Finding the Fourth Proportional to 875.94, 1,314.50 and 583.77

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Solution

The fourth proportional to 875.94, 1,314.50 and 583.77 is: 876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    875.94 : 1,314.50 = 583.77 : x
  2. Step 2: Convert to fraction form
    875.94/1,314.50 = 583.77/x
  3. Step 3: Cross multiply
    875.94x = 1,314.50 × 583.77
  4. Step 4: Simplify right side
    875.94x = 767,362.75
  5. Step 5: Solve for x
    x = 767,362.75/875.94
  6. Step 6: Final answer
    x = 876.04

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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.