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Finding the Fourth Proportional to 255,270.88, 352,382.72 and 181,730.71

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Solution

The fourth proportional to 255,270.88, 352,382.72 and 181,730.71 is: 250,865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,270.88 : 352,382.72 = 181,730.71 : x
  2. Step 2: Convert to fraction form
    255,270.88/352,382.72 = 181,730.71/x
  3. Step 3: Cross multiply
    255,270.88x = 352,382.72 × 181,730.71
  4. Step 4: Simplify right side
    255,270.88x = 64,038,761,897.33
  5. Step 5: Solve for x
    x = 64,038,761,897.33/255,270.88
  6. Step 6: Final answer
    x = 250,865.91

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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.