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Finding the Fourth Proportional to 1,048.54, 1,447.02 and 606.58

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Solution

The fourth proportional to 1,048.54, 1,447.02 and 606.58 is: 837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.54 : 1,447.02 = 606.58 : x
  2. Step 2: Convert to fraction form
    1,048.54/1,447.02 = 606.58/x
  3. Step 3: Cross multiply
    1,048.54x = 1,447.02 × 606.58
  4. Step 4: Simplify right side
    1,048.54x = 877,733.39
  5. Step 5: Solve for x
    x = 877,733.39/1,048.54
  6. Step 6: Final answer
    x = 837.10

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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.