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Finding the Fourth Proportional to 310,522.56, 465,783.84 and 247,899.84

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Solution

The fourth proportional to 310,522.56, 465,783.84 and 247,899.84 is: 371,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,522.56 : 465,783.84 = 247,899.84 : x
  2. Step 2: Convert to fraction form
    310,522.56/465,783.84 = 247,899.84/x
  3. Step 3: Cross multiply
    310,522.56x = 465,783.84 × 247,899.84
  4. Step 4: Simplify right side
    310,522.56x = 115,467,739,410.59
  5. Step 5: Solve for x
    x = 115,467,739,410.59/310,522.56
  6. Step 6: Final answer
    x = 371,849.76

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Similar ratio
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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.