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Finding the Fourth Proportional to 446,907.88, 616,855.26 and 263,307.88

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Solution

The fourth proportional to 446,907.88, 616,855.26 and 263,307.88 is: 363,436.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,907.88 : 616,855.26 = 263,307.88 : x
  2. Step 2: Convert to fraction form
    446,907.88/616,855.26 = 263,307.88/x
  3. Step 3: Cross multiply
    446,907.88x = 616,855.26 × 263,307.88
  4. Step 4: Simplify right side
    446,907.88x = 162,422,850,777.45
  5. Step 5: Solve for x
    x = 162,422,850,777.45/446,907.88
  6. Step 6: Final answer
    x = 363,436.98

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1.5x scale

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.