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Finding the Fourth Proportional to 1,592.43, 2,386.95 and 604.79

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Solution

The fourth proportional to 1,592.43, 2,386.95 and 604.79 is: 906.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.43 : 2,386.95 = 604.79 : x
  2. Step 2: Convert to fraction form
    1,592.43/2,386.95 = 604.79/x
  3. Step 3: Cross multiply
    1,592.43x = 2,386.95 × 604.79
  4. Step 4: Simplify right side
    1,592.43x = 1,443,603.49
  5. Step 5: Solve for x
    x = 1,443,603.49/1,592.43
  6. Step 6: Final answer
    x = 906.54

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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.