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Finding the Fourth Proportional to 352,590.54, 485,969.13 and 254,554.62

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Solution

The fourth proportional to 352,590.54, 485,969.13 and 254,554.62 is: 350,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,590.54 : 485,969.13 = 254,554.62 : x
  2. Step 2: Convert to fraction form
    352,590.54/485,969.13 = 254,554.62/x
  3. Step 3: Cross multiply
    352,590.54x = 485,969.13 × 254,554.62
  4. Step 4: Simplify right side
    352,590.54x = 123,705,687,218.88
  5. Step 5: Solve for x
    x = 123,705,687,218.88/352,590.54
  6. Step 6: Final answer
    x = 350,848.00

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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.