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Finding the Fourth Proportional to 449,220.30, 673,827.71 and 112,259.22

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Solution

The fourth proportional to 449,220.30, 673,827.71 and 112,259.22 is: 168,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,220.30 : 673,827.71 = 112,259.22 : x
  2. Step 2: Convert to fraction form
    449,220.30/673,827.71 = 112,259.22/x
  3. Step 3: Cross multiply
    449,220.30x = 673,827.71 × 112,259.22
  4. Step 4: Simplify right side
    449,220.30x = 75,643,372,577.69
  5. Step 5: Solve for x
    x = 75,643,372,577.69/449,220.30
  6. Step 6: Final answer
    x = 168,388.14

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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.