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Finding the Fourth Proportional to 899,402.92, 1,241,127.30 and 496,969

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Solution

The fourth proportional to 899,402.92, 1,241,127.30 and 496,969 is: 685,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,402.92 : 1,241,127.30 = 496,969 : x
  2. Step 2: Convert to fraction form
    899,402.92/1,241,127.30 = 496,969/x
  3. Step 3: Cross multiply
    899,402.92x = 1,241,127.30 × 496,969
  4. Step 4: Simplify right side
    899,402.92x = 616,801,793,153.70
  5. Step 5: Solve for x
    x = 616,801,793,153.70/899,402.92
  6. Step 6: Final answer
    x = 685,790.29

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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.