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Finding the Fourth Proportional to 493,654.10, 740,749.05 and 209,504.48

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Solution

The fourth proportional to 493,654.10, 740,749.05 and 209,504.48 is: 314,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,654.10 : 740,749.05 = 209,504.48 : x
  2. Step 2: Convert to fraction form
    493,654.10/740,749.05 = 209,504.48/x
  3. Step 3: Cross multiply
    493,654.10x = 740,749.05 × 209,504.48
  4. Step 4: Simplify right side
    493,654.10x = 155,190,240,827.00
  5. Step 5: Solve for x
    x = 155,190,240,827.00/493,654.10
  6. Step 6: Final answer
    x = 314,370.41

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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.