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Finding the Fourth Proportional to 256,359.92, 353,668.14 and 171,504.32

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Solution

The fourth proportional to 256,359.92, 353,668.14 and 171,504.32 is: 236,603.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,359.92 : 353,668.14 = 171,504.32 : x
  2. Step 2: Convert to fraction form
    256,359.92/353,668.14 = 171,504.32/x
  3. Step 3: Cross multiply
    256,359.92x = 353,668.14 × 171,504.32
  4. Step 4: Simplify right side
    256,359.92x = 60,655,612,088.02
  5. Step 5: Solve for x
    x = 60,655,612,088.02/256,359.92
  6. Step 6: Final answer
    x = 236,603.34

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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.