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Finding the Fourth Proportional to 256,323.44, 384,454.56 and 69,349.52

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Solution

The fourth proportional to 256,323.44, 384,454.56 and 69,349.52 is: 104,016.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,323.44 : 384,454.56 = 69,349.52 : x
  2. Step 2: Convert to fraction form
    256,323.44/384,454.56 = 69,349.52/x
  3. Step 3: Cross multiply
    256,323.44x = 384,454.56 × 69,349.52
  4. Step 4: Simplify right side
    256,323.44x = 26,661,739,197.81
  5. Step 5: Solve for x
    x = 26,661,739,197.81/256,323.44
  6. Step 6: Final answer
    x = 104,016.00

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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.