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Finding the Fourth Proportional to 325,008.36, 487,733.97 and 114,646.30

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Solution

The fourth proportional to 325,008.36, 487,733.97 and 114,646.30 is: 172,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,008.36 : 487,733.97 = 114,646.30 : x
  2. Step 2: Convert to fraction form
    325,008.36/487,733.97 = 114,646.30/x
  3. Step 3: Cross multiply
    325,008.36x = 487,733.97 × 114,646.30
  4. Step 4: Simplify right side
    325,008.36x = 55,916,895,044.81
  5. Step 5: Solve for x
    x = 55,916,895,044.81/325,008.36
  6. Step 6: Final answer
    x = 172,047.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.