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Finding the Fourth Proportional to 1,544.48, 2,317.23 and 570.66

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Solution

The fourth proportional to 1,544.48, 2,317.23 and 570.66 is: 856.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.48 : 2,317.23 = 570.66 : x
  2. Step 2: Convert to fraction form
    1,544.48/2,317.23 = 570.66/x
  3. Step 3: Cross multiply
    1,544.48x = 2,317.23 × 570.66
  4. Step 4: Simplify right side
    1,544.48x = 1,322,341.78
  5. Step 5: Solve for x
    x = 1,322,341.78/1,544.48
  6. Step 6: Final answer
    x = 856.17

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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.