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Finding the Fourth Proportional to 465,327.40, 697,991.10 and 305,895.10

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Solution

The fourth proportional to 465,327.40, 697,991.10 and 305,895.10 is: 458,842.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,327.40 : 697,991.10 = 305,895.10 : x
  2. Step 2: Convert to fraction form
    465,327.40/697,991.10 = 305,895.10/x
  3. Step 3: Cross multiply
    465,327.40x = 697,991.10 × 305,895.10
  4. Step 4: Simplify right side
    465,327.40x = 213,512,057,333.61
  5. Step 5: Solve for x
    x = 213,512,057,333.61/465,327.40
  6. Step 6: Final answer
    x = 458,842.65

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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.