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Finding the Fourth Proportional to 555,804.26, 767,012.64 and 301,155.44

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Solution

The fourth proportional to 555,804.26, 767,012.64 and 301,155.44 is: 415,596.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,804.26 : 767,012.64 = 301,155.44 : x
  2. Step 2: Convert to fraction form
    555,804.26/767,012.64 = 301,155.44/x
  3. Step 3: Cross multiply
    555,804.26x = 767,012.64 × 301,155.44
  4. Step 4: Simplify right side
    555,804.26x = 230,990,029,084.76
  5. Step 5: Solve for x
    x = 230,990,029,084.76/555,804.26
  6. Step 6: Final answer
    x = 415,596.00

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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.