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Finding the Fourth Proportional to 1,009.99, 1,514.50 and 599.18

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Solution

The fourth proportional to 1,009.99, 1,514.50 and 599.18 is: 898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009.99 : 1,514.50 = 599.18 : x
  2. Step 2: Convert to fraction form
    1,009.99/1,514.50 = 599.18/x
  3. Step 3: Cross multiply
    1,009.99x = 1,514.50 × 599.18
  4. Step 4: Simplify right side
    1,009.99x = 907,458.11
  5. Step 5: Solve for x
    x = 907,458.11/1,009.99
  6. Step 6: Final answer
    x = 898.48

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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.