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Finding the Fourth Proportional to 590,745.90, 885,790.80 and 235,358.40

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Solution

The fourth proportional to 590,745.90, 885,790.80 and 235,358.40 is: 352,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,745.90 : 885,790.80 = 235,358.40 : x
  2. Step 2: Convert to fraction form
    590,745.90/885,790.80 = 235,358.40/x
  3. Step 3: Cross multiply
    590,745.90x = 885,790.80 × 235,358.40
  4. Step 4: Simplify right side
    590,745.90x = 208,478,305,422.72
  5. Step 5: Solve for x
    x = 208,478,305,422.72/590,745.90
  6. Step 6: Final answer
    x = 352,906.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.