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Finding the Fourth Proportional to 303,554.76, 418,935.33 and 176,222.76

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Solution

The fourth proportional to 303,554.76, 418,935.33 and 176,222.76 is: 243,204.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,554.76 : 418,935.33 = 176,222.76 : x
  2. Step 2: Convert to fraction form
    303,554.76/418,935.33 = 176,222.76/x
  3. Step 3: Cross multiply
    303,554.76x = 418,935.33 × 176,222.76
  4. Step 4: Simplify right side
    303,554.76x = 73,825,940,114.11
  5. Step 5: Solve for x
    x = 73,825,940,114.11/303,554.76
  6. Step 6: Final answer
    x = 243,204.69

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1.5x scale

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.