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Finding the Fourth Proportional to 1,174.59, 1,617.03 and 1,019.34

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Solution

The fourth proportional to 1,174.59, 1,617.03 and 1,019.34 is: 1,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.59 : 1,617.03 = 1,019.34 : x
  2. Step 2: Convert to fraction form
    1,174.59/1,617.03 = 1,019.34/x
  3. Step 3: Cross multiply
    1,174.59x = 1,617.03 × 1,019.34
  4. Step 4: Simplify right side
    1,174.59x = 1,648,303.36
  5. Step 5: Solve for x
    x = 1,648,303.36/1,174.59
  6. Step 6: Final answer
    x = 1,403.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.