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Finding the Fourth Proportional to 1,017.59, 1,526.36 and 333.59

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Solution

The fourth proportional to 1,017.59, 1,526.36 and 333.59 is: 500.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017.59 : 1,526.36 = 333.59 : x
  2. Step 2: Convert to fraction form
    1,017.59/1,526.36 = 333.59/x
  3. Step 3: Cross multiply
    1,017.59x = 1,526.36 × 333.59
  4. Step 4: Simplify right side
    1,017.59x = 509,169.13
  5. Step 5: Solve for x
    x = 509,169.13/1,017.59
  6. Step 6: Final answer
    x = 500.37

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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.