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Finding the Fourth Proportional to 470,363.82, 649,106.91 and 255,508.14

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Solution

The fourth proportional to 470,363.82, 649,106.91 and 255,508.14 is: 352,603.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,363.82 : 649,106.91 = 255,508.14 : x
  2. Step 2: Convert to fraction form
    470,363.82/649,106.91 = 255,508.14/x
  3. Step 3: Cross multiply
    470,363.82x = 649,106.91 × 255,508.14
  4. Step 4: Simplify right side
    470,363.82x = 165,852,099,235.25
  5. Step 5: Solve for x
    x = 165,852,099,235.25/470,363.82
  6. Step 6: Final answer
    x = 352,603.86

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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.