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Finding the Fourth Proportional to 352,395, 486,708.75 and 232,074.09

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Solution

The fourth proportional to 352,395, 486,708.75 and 232,074.09 is: 320,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,395 : 486,708.75 = 232,074.09 : x
  2. Step 2: Convert to fraction form
    352,395/486,708.75 = 232,074.09/x
  3. Step 3: Cross multiply
    352,395x = 486,708.75 × 232,074.09
  4. Step 4: Simplify right side
    352,395x = 112,952,490,251.29
  5. Step 5: Solve for x
    x = 112,952,490,251.29/352,395
  6. Step 6: Final answer
    x = 320,528.07

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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.