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Finding the Fourth Proportional to 567,745.87, 783,462.93 and 325,858.19

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Solution

The fourth proportional to 567,745.87, 783,462.93 and 325,858.19 is: 449,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,745.87 : 783,462.93 = 325,858.19 : x
  2. Step 2: Convert to fraction form
    567,745.87/783,462.93 = 325,858.19/x
  3. Step 3: Cross multiply
    567,745.87x = 783,462.93 × 325,858.19
  4. Step 4: Simplify right side
    567,745.87x = 255,297,810,672.61
  5. Step 5: Solve for x
    x = 255,297,810,672.61/567,745.87
  6. Step 6: Final answer
    x = 449,669.16

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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.