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Finding the Fourth Proportional to 1,699.51, 2,549.67 and 603.97

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Solution

The fourth proportional to 1,699.51, 2,549.67 and 603.97 is: 906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.51 : 2,549.67 = 603.97 : x
  2. Step 2: Convert to fraction form
    1,699.51/2,549.67 = 603.97/x
  3. Step 3: Cross multiply
    1,699.51x = 2,549.67 × 603.97
  4. Step 4: Simplify right side
    1,699.51x = 1,539,924.19
  5. Step 5: Solve for x
    x = 1,539,924.19/1,699.51
  6. Step 6: Final answer
    x = 906.10

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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.