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Finding the Fourth Proportional to 555,818.57, 767,032.30 and 301,169.69

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Solution

The fourth proportional to 555,818.57, 767,032.30 and 301,169.69 is: 415,615.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,818.57 : 767,032.30 = 301,169.69 : x
  2. Step 2: Convert to fraction form
    555,818.57/767,032.30 = 301,169.69/x
  3. Step 3: Cross multiply
    555,818.57x = 767,032.30 × 301,169.69
  4. Step 4: Simplify right side
    555,818.57x = 231,006,880,010.99
  5. Step 5: Solve for x
    x = 231,006,880,010.99/555,818.57
  6. Step 6: Final answer
    x = 415,615.62

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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.