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Finding the Fourth Proportional to 313,842.86, 433,123.28 and 176,034.73

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Solution

The fourth proportional to 313,842.86, 433,123.28 and 176,034.73 is: 242,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,842.86 : 433,123.28 = 176,034.73 : x
  2. Step 2: Convert to fraction form
    313,842.86/433,123.28 = 176,034.73/x
  3. Step 3: Cross multiply
    313,842.86x = 433,123.28 × 176,034.73
  4. Step 4: Simplify right side
    313,842.86x = 76,244,739,651.51
  5. Step 5: Solve for x
    x = 76,244,739,651.51/313,842.86
  6. Step 6: Final answer
    x = 242,939.22

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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.