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Finding the Fourth Proportional to 418,084.77, 576,958.41 and 246,009.30

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Solution

The fourth proportional to 418,084.77, 576,958.41 and 246,009.30 is: 339,493.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,084.77 : 576,958.41 = 246,009.30 : x
  2. Step 2: Convert to fraction form
    418,084.77/576,958.41 = 246,009.30/x
  3. Step 3: Cross multiply
    418,084.77x = 576,958.41 × 246,009.30
  4. Step 4: Simplify right side
    418,084.77x = 141,937,134,573.21
  5. Step 5: Solve for x
    x = 141,937,134,573.21/418,084.77
  6. Step 6: Final answer
    x = 339,493.67

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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.