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Finding the Fourth Proportional to 1,017.36, 1,526.12 and 504.08

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Solution

The fourth proportional to 1,017.36, 1,526.12 and 504.08 is: 756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017.36 : 1,526.12 = 504.08 : x
  2. Step 2: Convert to fraction form
    1,017.36/1,526.12 = 504.08/x
  3. Step 3: Cross multiply
    1,017.36x = 1,526.12 × 504.08
  4. Step 4: Simplify right side
    1,017.36x = 769,286.57
  5. Step 5: Solve for x
    x = 769,286.57/1,017.36
  6. Step 6: Final answer
    x = 756.16

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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.