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Finding the Fourth Proportional to 1,592.16, 2,386.89 and 604.42

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Solution

The fourth proportional to 1,592.16, 2,386.89 and 604.42 is: 906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.16 : 2,386.89 = 604.42 : x
  2. Step 2: Convert to fraction form
    1,592.16/2,386.89 = 604.42/x
  3. Step 3: Cross multiply
    1,592.16x = 2,386.89 × 604.42
  4. Step 4: Simplify right side
    1,592.16x = 1,442,687.00
  5. Step 5: Solve for x
    x = 1,442,687.00/1,592.16
  6. Step 6: Final answer
    x = 906.12

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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.