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Finding the Fourth Proportional to 329,736.52, 455,104.52 and 186,502.60

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Solution

The fourth proportional to 329,736.52, 455,104.52 and 186,502.60 is: 257,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,736.52 : 455,104.52 = 186,502.60 : x
  2. Step 2: Convert to fraction form
    329,736.52/455,104.52 = 186,502.60/x
  3. Step 3: Cross multiply
    329,736.52x = 455,104.52 × 186,502.60
  4. Step 4: Simplify right side
    329,736.52x = 84,878,176,251.75
  5. Step 5: Solve for x
    x = 84,878,176,251.75/329,736.52
  6. Step 6: Final answer
    x = 257,412.12

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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.