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Finding the Fourth Proportional to 448,437.10, 618,842.86 and 244,488.01

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Solution

The fourth proportional to 448,437.10, 618,842.86 and 244,488.01 is: 337,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,437.10 : 618,842.86 = 244,488.01 : x
  2. Step 2: Convert to fraction form
    448,437.10/618,842.86 = 244,488.01/x
  3. Step 3: Cross multiply
    448,437.10x = 618,842.86 × 244,488.01
  4. Step 4: Simplify right side
    448,437.10x = 151,299,659,344.11
  5. Step 5: Solve for x
    x = 151,299,659,344.11/448,437.10
  6. Step 6: Final answer
    x = 337,393.27

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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.