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Finding the Fourth Proportional to 1,160.19, 1,601.42 and 924.54

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Solution

The fourth proportional to 1,160.19, 1,601.42 and 924.54 is: 1,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.19 : 1,601.42 = 924.54 : x
  2. Step 2: Convert to fraction form
    1,160.19/1,601.42 = 924.54/x
  3. Step 3: Cross multiply
    1,160.19x = 1,601.42 × 924.54
  4. Step 4: Simplify right side
    1,160.19x = 1,480,572.22
  5. Step 5: Solve for x
    x = 1,480,572.22/1,160.19
  6. Step 6: Final answer
    x = 1,276.15

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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.