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Finding the Fourth Proportional to 1,594.59, 2,391.14 and 554.24

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Solution

The fourth proportional to 1,594.59, 2,391.14 and 554.24 is: 831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.59 : 2,391.14 = 554.24 : x
  2. Step 2: Convert to fraction form
    1,594.59/2,391.14 = 554.24/x
  3. Step 3: Cross multiply
    1,594.59x = 2,391.14 × 554.24
  4. Step 4: Simplify right side
    1,594.59x = 1,325,250.71
  5. Step 5: Solve for x
    x = 1,325,250.71/1,594.59
  6. Step 6: Final answer
    x = 831.09

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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.