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Finding the Fourth Proportional to 303,453.73, 418,907.87 and 176,104.72

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Solution

The fourth proportional to 303,453.73, 418,907.87 and 176,104.72 is: 243,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,453.73 : 418,907.87 = 176,104.72 : x
  2. Step 2: Convert to fraction form
    303,453.73/418,907.87 = 176,104.72/x
  3. Step 3: Cross multiply
    303,453.73x = 418,907.87 × 176,104.72
  4. Step 4: Simplify right side
    303,453.73x = 73,771,653,152.15
  5. Step 5: Solve for x
    x = 73,771,653,152.15/303,453.73
  6. Step 6: Final answer
    x = 243,106.76

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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.