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Finding the Fourth Proportional to 676,007.41, 932,888.78 and 370,081.31

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Solution

The fourth proportional to 676,007.41, 932,888.78 and 370,081.31 is: 510,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,007.41 : 932,888.78 = 370,081.31 : x
  2. Step 2: Convert to fraction form
    676,007.41/932,888.78 = 370,081.31/x
  3. Step 3: Cross multiply
    676,007.41x = 932,888.78 × 370,081.31
  4. Step 4: Simplify right side
    676,007.41x = 345,244,697,122.26
  5. Step 5: Solve for x
    x = 345,244,697,122.26/676,007.41
  6. Step 6: Final answer
    x = 510,711.41

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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.