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Finding the Fourth Proportional to 1,290.83, 1,934.70 and 596.52

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Solution

The fourth proportional to 1,290.83, 1,934.70 and 596.52 is: 894.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290.83 : 1,934.70 = 596.52 : x
  2. Step 2: Convert to fraction form
    1,290.83/1,934.70 = 596.52/x
  3. Step 3: Cross multiply
    1,290.83x = 1,934.70 × 596.52
  4. Step 4: Simplify right side
    1,290.83x = 1,154,087.24
  5. Step 5: Solve for x
    x = 1,154,087.24/1,290.83
  6. Step 6: Final answer
    x = 894.07

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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.