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Finding the Fourth Proportional to 1,043.48, 1,439.93 and 601.41

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Solution

The fourth proportional to 1,043.48, 1,439.93 and 601.41 is: 829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.48 : 1,439.93 = 601.41 : x
  2. Step 2: Convert to fraction form
    1,043.48/1,439.93 = 601.41/x
  3. Step 3: Cross multiply
    1,043.48x = 1,439.93 × 601.41
  4. Step 4: Simplify right side
    1,043.48x = 865,985.29
  5. Step 5: Solve for x
    x = 865,985.29/1,043.48
  6. Step 6: Final answer
    x = 829.91

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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.