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Finding the Fourth Proportional to 923.95, 1,274.70 and 592.57

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Solution

The fourth proportional to 923.95, 1,274.70 and 592.57 is: 817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    923.95 : 1,274.70 = 592.57 : x
  2. Step 2: Convert to fraction form
    923.95/1,274.70 = 592.57/x
  3. Step 3: Cross multiply
    923.95x = 1,274.70 × 592.57
  4. Step 4: Simplify right side
    923.95x = 755,348.98
  5. Step 5: Solve for x
    x = 755,348.98/923.95
  6. Step 6: Final answer
    x = 817.52

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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.