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Finding the Fourth Proportional to 926.19, 1,277.76 and 594.81

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Solution

The fourth proportional to 926.19, 1,277.76 and 594.81 is: 820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    926.19 : 1,277.76 = 594.81 : x
  2. Step 2: Convert to fraction form
    926.19/1,277.76 = 594.81/x
  3. Step 3: Cross multiply
    926.19x = 1,277.76 × 594.81
  4. Step 4: Simplify right side
    926.19x = 760,024.43
  5. Step 5: Solve for x
    x = 760,024.43/926.19
  6. Step 6: Final answer
    x = 820.59

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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.