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Finding the Fourth Proportional to 470,211.67, 648,904.98 and 276,633.01

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Solution

The fourth proportional to 470,211.67, 648,904.98 and 276,633.01 is: 381,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,211.67 : 648,904.98 = 276,633.01 : x
  2. Step 2: Convert to fraction form
    470,211.67/648,904.98 = 276,633.01/x
  3. Step 3: Cross multiply
    470,211.67x = 648,904.98 × 276,633.01
  4. Step 4: Simplify right side
    470,211.67x = 179,508,537,821.39
  5. Step 5: Solve for x
    x = 179,508,537,821.39/470,211.67
  6. Step 6: Final answer
    x = 381,761.13

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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.