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Finding the Fourth Proportional to 304,318.76, 456,586.20 and 135,823.76

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Solution

The fourth proportional to 304,318.76, 456,586.20 and 135,823.76 is: 203,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,318.76 : 456,586.20 = 135,823.76 : x
  2. Step 2: Convert to fraction form
    304,318.76/456,586.20 = 135,823.76/x
  3. Step 3: Cross multiply
    304,318.76x = 456,586.20 × 135,823.76
  4. Step 4: Simplify right side
    304,318.76x = 62,015,254,448.11
  5. Step 5: Solve for x
    x = 62,015,254,448.11/304,318.76
  6. Step 6: Final answer
    x = 203,783.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.