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Finding the Fourth Proportional to 1,368.50, 2,053.56 and 588.48

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Solution

The fourth proportional to 1,368.50, 2,053.56 and 588.48 is: 883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.50 : 2,053.56 = 588.48 : x
  2. Step 2: Convert to fraction form
    1,368.50/2,053.56 = 588.48/x
  3. Step 3: Cross multiply
    1,368.50x = 2,053.56 × 588.48
  4. Step 4: Simplify right side
    1,368.50x = 1,208,478.99
  5. Step 5: Solve for x
    x = 1,208,478.99/1,368.50
  6. Step 6: Final answer
    x = 883.07

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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.