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Finding the Fourth Proportional to 448,488.88, 618,411.82 and 366,562.84

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Solution

The fourth proportional to 448,488.88, 618,411.82 and 366,562.84 is: 505,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,488.88 : 618,411.82 = 366,562.84 : x
  2. Step 2: Convert to fraction form
    448,488.88/618,411.82 = 366,562.84/x
  3. Step 3: Cross multiply
    448,488.88x = 618,411.82 × 366,562.84
  4. Step 4: Simplify right side
    448,488.88x = 226,686,793,028.77
  5. Step 5: Solve for x
    x = 226,686,793,028.77/448,488.88
  6. Step 6: Final answer
    x = 505,445.74

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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.