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Finding the Fourth Proportional to 671,730.17, 928,168.00 and 536,876.98

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Solution

The fourth proportional to 671,730.17, 928,168.00 and 536,876.98 is: 741,833.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,730.17 : 928,168.00 = 536,876.98 : x
  2. Step 2: Convert to fraction form
    671,730.17/928,168.00 = 536,876.98/x
  3. Step 3: Cross multiply
    671,730.17x = 928,168.00 × 536,876.98
  4. Step 4: Simplify right side
    671,730.17x = 498,312,029,110.03
  5. Step 5: Solve for x
    x = 498,312,029,110.03/671,730.17
  6. Step 6: Final answer
    x = 741,833.63

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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.