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Finding the Fourth Proportional to 984.74, 1,475.93 and 594.51

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Solution

The fourth proportional to 984.74, 1,475.93 and 594.51 is: 891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    984.74 : 1,475.93 = 594.51 : x
  2. Step 2: Convert to fraction form
    984.74/1,475.93 = 594.51/x
  3. Step 3: Cross multiply
    984.74x = 1,475.93 × 594.51
  4. Step 4: Simplify right side
    984.74x = 877,452.17
  5. Step 5: Solve for x
    x = 877,452.17/984.74
  6. Step 6: Final answer
    x = 891.05

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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.