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Finding the Fourth Proportional to 1,509.84, 2,265.52 and 586

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Solution

The fourth proportional to 1,509.84, 2,265.52 and 586 is: 879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.84 : 2,265.52 = 586 : x
  2. Step 2: Convert to fraction form
    1,509.84/2,265.52 = 586/x
  3. Step 3: Cross multiply
    1,509.84x = 2,265.52 × 586
  4. Step 4: Simplify right side
    1,509.84x = 1,327,594.72
  5. Step 5: Solve for x
    x = 1,327,594.72/1,509.84
  6. Step 6: Final answer
    x = 879.29

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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.