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Finding the Fourth Proportional to 1,509.92, 2,263.84 and 572.48

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Solution

The fourth proportional to 1,509.92, 2,263.84 and 572.48 is: 858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.92 : 2,263.84 = 572.48 : x
  2. Step 2: Convert to fraction form
    1,509.92/2,263.84 = 572.48/x
  3. Step 3: Cross multiply
    1,509.92x = 2,263.84 × 572.48
  4. Step 4: Simplify right side
    1,509.92x = 1,296,003.12
  5. Step 5: Solve for x
    x = 1,296,003.12/1,509.92
  6. Step 6: Final answer
    x = 858.33

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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.