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Finding the Fourth Proportional to 352,666.60, 486,828.84 and 238,100.38

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Solution

The fourth proportional to 352,666.60, 486,828.84 and 238,100.38 is: 328,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,666.60 : 486,828.84 = 238,100.38 : x
  2. Step 2: Convert to fraction form
    352,666.60/486,828.84 = 238,100.38/x
  3. Step 3: Cross multiply
    352,666.60x = 486,828.84 × 238,100.38
  4. Step 4: Simplify right side
    352,666.60x = 115,914,131,798.96
  5. Step 5: Solve for x
    x = 115,914,131,798.96/352,666.60
  6. Step 6: Final answer
    x = 328,679.07

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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.