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Finding the Fourth Proportional to 325,228.96, 487,840.64 and 254,211.26

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Solution

The fourth proportional to 325,228.96, 487,840.64 and 254,211.26 is: 381,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,228.96 : 487,840.64 = 254,211.26 : x
  2. Step 2: Convert to fraction form
    325,228.96/487,840.64 = 254,211.26/x
  3. Step 3: Cross multiply
    325,228.96x = 487,840.64 × 254,211.26
  4. Step 4: Simplify right side
    325,228.96x = 124,014,583,773.61
  5. Step 5: Solve for x
    x = 124,014,583,773.61/325,228.96
  6. Step 6: Final answer
    x = 381,314.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.