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Finding the Fourth Proportional to 555,181.29, 767,441.39 and 495,344.97

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Solution

The fourth proportional to 555,181.29, 767,441.39 and 495,344.97 is: 684,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,181.29 : 767,441.39 = 495,344.97 : x
  2. Step 2: Convert to fraction form
    555,181.29/767,441.39 = 495,344.97/x
  3. Step 3: Cross multiply
    555,181.29x = 767,441.39 × 495,344.97
  4. Step 4: Simplify right side
    555,181.29x = 380,148,229,829.58
  5. Step 5: Solve for x
    x = 380,148,229,829.58/555,181.29
  6. Step 6: Final answer
    x = 684,728.10

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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.