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Finding the Fourth Proportional to 672,746.22, 928,377.90 and 366,825

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Solution

The fourth proportional to 672,746.22, 928,377.90 and 366,825 is: 506,212.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,746.22 : 928,377.90 = 366,825 : x
  2. Step 2: Convert to fraction form
    672,746.22/928,377.90 = 366,825/x
  3. Step 3: Cross multiply
    672,746.22x = 928,377.90 × 366,825
  4. Step 4: Simplify right side
    672,746.22x = 340,552,223,167.50
  5. Step 5: Solve for x
    x = 340,552,223,167.50/672,746.22
  6. Step 6: Final answer
    x = 506,212.02

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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.