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Finding the Fourth Proportional to 480,035.92, 662,530.44 and 278,948.56

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Solution

The fourth proportional to 480,035.92, 662,530.44 and 278,948.56 is: 384,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,035.92 : 662,530.44 = 278,948.56 : x
  2. Step 2: Convert to fraction form
    480,035.92/662,530.44 = 278,948.56/x
  3. Step 3: Cross multiply
    480,035.92x = 662,530.44 × 278,948.56
  4. Step 4: Simplify right side
    480,035.92x = 184,811,912,194.17
  5. Step 5: Solve for x
    x = 184,811,912,194.17/480,035.92
  6. Step 6: Final answer
    x = 384,996.01

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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.