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Finding the Fourth Proportional to 255,263.53, 382,895.39 and 114,858.13

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Solution

The fourth proportional to 255,263.53, 382,895.39 and 114,858.13 is: 172,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,263.53 : 382,895.39 = 114,858.13 : x
  2. Step 2: Convert to fraction form
    255,263.53/382,895.39 = 114,858.13/x
  3. Step 3: Cross multiply
    255,263.53x = 382,895.39 × 114,858.13
  4. Step 4: Simplify right side
    255,263.53x = 43,978,648,481.02
  5. Step 5: Solve for x
    x = 43,978,648,481.02/255,263.53
  6. Step 6: Final answer
    x = 172,287.24

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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.