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Finding the Fourth Proportional to 255,498.71, 352,596.22 and 146,622.97

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Solution

The fourth proportional to 255,498.71, 352,596.22 and 146,622.97 is: 202,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,498.71 : 352,596.22 = 146,622.97 : x
  2. Step 2: Convert to fraction form
    255,498.71/352,596.22 = 146,622.97/x
  3. Step 3: Cross multiply
    255,498.71x = 352,596.22 × 146,622.97
  4. Step 4: Simplify right side
    255,498.71x = 51,698,703,739.13
  5. Step 5: Solve for x
    x = 51,698,703,739.13/255,498.71
  6. Step 6: Final answer
    x = 202,344.28

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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.