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Finding the Fourth Proportional to 255,570.32, 352,342.92 and 178,986.32

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Solution

The fourth proportional to 255,570.32, 352,342.92 and 178,986.32 is: 246,760.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,570.32 : 352,342.92 = 178,986.32 : x
  2. Step 2: Convert to fraction form
    255,570.32/352,342.92 = 178,986.32/x
  3. Step 3: Cross multiply
    255,570.32x = 352,342.92 × 178,986.32
  4. Step 4: Simplify right side
    255,570.32x = 63,064,562,628.85
  5. Step 5: Solve for x
    x = 63,064,562,628.85/255,570.32
  6. Step 6: Final answer
    x = 246,760.12

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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.