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Finding the Fourth Proportional to 255,544.53, 352,653.77 and 140,827.28

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Solution

The fourth proportional to 255,544.53, 352,653.77 and 140,827.28 is: 194,342.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,544.53 : 352,653.77 = 140,827.28 : x
  2. Step 2: Convert to fraction form
    255,544.53/352,653.77 = 140,827.28/x
  3. Step 3: Cross multiply
    255,544.53x = 352,653.77 × 140,827.28
  4. Step 4: Simplify right side
    255,544.53x = 49,663,270,991.17
  5. Step 5: Solve for x
    x = 49,663,270,991.17/255,544.53
  6. Step 6: Final answer
    x = 194,342.93

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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.