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Finding the Fourth Proportional to 470,173.95, 648,852.92 and 276,595.29

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Solution

The fourth proportional to 470,173.95, 648,852.92 and 276,595.29 is: 381,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,173.95 : 648,852.92 = 276,595.29 : x
  2. Step 2: Convert to fraction form
    470,173.95/648,852.92 = 276,595.29/x
  3. Step 3: Cross multiply
    470,173.95x = 648,852.92 × 276,595.29
  4. Step 4: Simplify right side
    470,173.95x = 179,469,660,191.77
  5. Step 5: Solve for x
    x = 179,469,660,191.77/470,173.95
  6. Step 6: Final answer
    x = 381,709.07

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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.