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Finding the Fourth Proportional to 303,570.42, 418,895.37 and 176,221.14

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Solution

The fourth proportional to 303,570.42, 418,895.37 and 176,221.14 is: 243,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,570.42 : 418,895.37 = 176,221.14 : x
  2. Step 2: Convert to fraction form
    303,570.42/418,895.37 = 176,221.14/x
  3. Step 3: Cross multiply
    303,570.42x = 418,895.37 × 176,221.14
  4. Step 4: Simplify right side
    303,570.42x = 73,818,219,642.12
  5. Step 5: Solve for x
    x = 73,818,219,642.12/303,570.42
  6. Step 6: Final answer
    x = 243,166.71

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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.