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Finding the Fourth Proportional to 303,379.60, 418,747.11 and 176,096.20

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Solution

The fourth proportional to 303,379.60, 418,747.11 and 176,096.20 is: 243,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,379.60 : 418,747.11 = 176,096.20 : x
  2. Step 2: Convert to fraction form
    303,379.60/418,747.11 = 176,096.20/x
  3. Step 3: Cross multiply
    303,379.60x = 418,747.11 × 176,096.20
  4. Step 4: Simplify right side
    303,379.60x = 73,739,774,831.98
  5. Step 5: Solve for x
    x = 73,739,774,831.98/303,379.60
  6. Step 6: Final answer
    x = 243,061.09

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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.