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Finding the Fourth Proportional to 302,713.32, 417,744.34 and 175,462.72

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Solution

The fourth proportional to 302,713.32, 417,744.34 and 175,462.72 is: 242,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,713.32 : 417,744.34 = 175,462.72 : x
  2. Step 2: Convert to fraction form
    302,713.32/417,744.34 = 175,462.72/x
  3. Step 3: Cross multiply
    302,713.32x = 417,744.34 × 175,462.72
  4. Step 4: Simplify right side
    302,713.32x = 73,298,558,161.00
  5. Step 5: Solve for x
    x = 73,298,558,161.00/302,713.32
  6. Step 6: Final answer
    x = 242,138.53

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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.