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Finding the Fourth Proportional to 1,362.04, 2,043.01 and 437.59

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Solution

The fourth proportional to 1,362.04, 2,043.01 and 437.59 is: 656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.04 : 2,043.01 = 437.59 : x
  2. Step 2: Convert to fraction form
    1,362.04/2,043.01 = 437.59/x
  3. Step 3: Cross multiply
    1,362.04x = 2,043.01 × 437.59
  4. Step 4: Simplify right side
    1,362.04x = 893,988.34
  5. Step 5: Solve for x
    x = 893,988.34/1,362.04
  6. Step 6: Final answer
    x = 656.36

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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.