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Finding the Fourth Proportional to 545,689.68, 753,167.92 and 366,738

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Solution

The fourth proportional to 545,689.68, 753,167.92 and 366,738 is: 506,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,689.68 : 753,167.92 = 366,738 : x
  2. Step 2: Convert to fraction form
    545,689.68/753,167.92 = 366,738/x
  3. Step 3: Cross multiply
    545,689.68x = 753,167.92 × 366,738
  4. Step 4: Simplify right side
    545,689.68x = 276,215,296,644.96
  5. Step 5: Solve for x
    x = 276,215,296,644.96/545,689.68
  6. Step 6: Final answer
    x = 506,176.51

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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.