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Finding the Fourth Proportional to 676,213.22, 932,040.45 and 539,809.94

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Solution

The fourth proportional to 676,213.22, 932,040.45 and 539,809.94 is: 744,032.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,213.22 : 932,040.45 = 539,809.94 : x
  2. Step 2: Convert to fraction form
    676,213.22/932,040.45 = 539,809.94/x
  3. Step 3: Cross multiply
    676,213.22x = 932,040.45 × 539,809.94
  4. Step 4: Simplify right side
    676,213.22x = 503,124,699,392.07
  5. Step 5: Solve for x
    x = 503,124,699,392.07/676,213.22
  6. Step 6: Final answer
    x = 744,032.63

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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.