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Finding the Fourth Proportional to 302,604.45, 417,203.91 and 247,953.45

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Solution

The fourth proportional to 302,604.45, 417,203.91 and 247,953.45 is: 341,856.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,604.45 : 417,203.91 = 247,953.45 : x
  2. Step 2: Convert to fraction form
    302,604.45/417,203.91 = 247,953.45/x
  3. Step 3: Cross multiply
    302,604.45x = 417,203.91 × 247,953.45
  4. Step 4: Simplify right side
    302,604.45x = 103,447,148,837.99
  5. Step 5: Solve for x
    x = 103,447,148,837.99/302,604.45
  6. Step 6: Final answer
    x = 341,856.01

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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.