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Finding the Fourth Proportional to 848.00, 1,272.59 and 555.48

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Solution

The fourth proportional to 848.00, 1,272.59 and 555.48 is: 833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.00 : 1,272.59 = 555.48 : x
  2. Step 2: Convert to fraction form
    848.00/1,272.59 = 555.48/x
  3. Step 3: Cross multiply
    848.00x = 1,272.59 × 555.48
  4. Step 4: Simplify right side
    848.00x = 706,895.52
  5. Step 5: Solve for x
    x = 706,895.52/848.00
  6. Step 6: Final answer
    x = 833.61

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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.