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Finding the Fourth Proportional to 449,201.40, 673,802.10 and 322,574.10

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Solution

The fourth proportional to 449,201.40, 673,802.10 and 322,574.10 is: 483,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,201.40 : 673,802.10 = 322,574.10 : x
  2. Step 2: Convert to fraction form
    449,201.40/673,802.10 = 322,574.10/x
  3. Step 3: Cross multiply
    449,201.40x = 673,802.10 × 322,574.10
  4. Step 4: Simplify right side
    449,201.40x = 217,351,105,985.61
  5. Step 5: Solve for x
    x = 217,351,105,985.61/449,201.40
  6. Step 6: Final answer
    x = 483,861.15

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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.