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Finding the Fourth Proportional to 1,058.84, 1,461.18 and 586.77

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Solution

The fourth proportional to 1,058.84, 1,461.18 and 586.77 is: 809.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.84 : 1,461.18 = 586.77 : x
  2. Step 2: Convert to fraction form
    1,058.84/1,461.18 = 586.77/x
  3. Step 3: Cross multiply
    1,058.84x = 1,461.18 × 586.77
  4. Step 4: Simplify right side
    1,058.84x = 857,376.59
  5. Step 5: Solve for x
    x = 857,376.59/1,058.84
  6. Step 6: Final answer
    x = 809.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.