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Finding the Fourth Proportional to 415,262.40, 573,055.25 and 233,992.90

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Solution

The fourth proportional to 415,262.40, 573,055.25 and 233,992.90 is: 322,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,262.40 : 573,055.25 = 233,992.90 : x
  2. Step 2: Convert to fraction form
    415,262.40/573,055.25 = 233,992.90/x
  3. Step 3: Cross multiply
    415,262.40x = 573,055.25 × 233,992.90
  4. Step 4: Simplify right side
    415,262.40x = 134,090,859,807.73
  5. Step 5: Solve for x
    x = 134,090,859,807.73/415,262.40
  6. Step 6: Final answer
    x = 322,906.34

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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.