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Finding the Fourth Proportional to 1,690.54, 2,535.81 and 594.65

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Solution

The fourth proportional to 1,690.54, 2,535.81 and 594.65 is: 891.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.54 : 2,535.81 = 594.65 : x
  2. Step 2: Convert to fraction form
    1,690.54/2,535.81 = 594.65/x
  3. Step 3: Cross multiply
    1,690.54x = 2,535.81 × 594.65
  4. Step 4: Simplify right side
    1,690.54x = 1,507,925.76
  5. Step 5: Solve for x
    x = 1,507,925.76/1,690.54
  6. Step 6: Final answer
    x = 891.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.