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Finding the Fourth Proportional to 325,117.78, 448,663.20 and 181,880.22

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Solution

The fourth proportional to 325,117.78, 448,663.20 and 181,880.22 is: 250,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,117.78 : 448,663.20 = 181,880.22 : x
  2. Step 2: Convert to fraction form
    325,117.78/448,663.20 = 181,880.22/x
  3. Step 3: Cross multiply
    325,117.78x = 448,663.20 × 181,880.22
  4. Step 4: Simplify right side
    325,117.78x = 81,602,961,521.90
  5. Step 5: Solve for x
    x = 81,602,961,521.90/325,117.78
  6. Step 6: Final answer
    x = 250,995.07

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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.