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Finding the Fourth Proportional to 1,699.52, 2,549.60 and 604.65

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Solution

The fourth proportional to 1,699.52, 2,549.60 and 604.65 is: 907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.52 : 2,549.60 = 604.65 : x
  2. Step 2: Convert to fraction form
    1,699.52/2,549.60 = 604.65/x
  3. Step 3: Cross multiply
    1,699.52x = 2,549.60 × 604.65
  4. Step 4: Simplify right side
    1,699.52x = 1,541,624.45
  5. Step 5: Solve for x
    x = 1,541,624.45/1,699.52
  6. Step 6: Final answer
    x = 907.10

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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.