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Finding the Fourth Proportional to 382,649.92, 573,776.35 and 112,743.03

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Solution

The fourth proportional to 382,649.92, 573,776.35 and 112,743.03 is: 169,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,649.92 : 573,776.35 = 112,743.03 : x
  2. Step 2: Convert to fraction form
    382,649.92/573,776.35 = 112,743.03/x
  3. Step 3: Cross multiply
    382,649.92x = 573,776.35 × 112,743.03
  4. Step 4: Simplify right side
    382,649.92x = 64,689,284,241.34
  5. Step 5: Solve for x
    x = 64,689,284,241.34/382,649.92
  6. Step 6: Final answer
    x = 169,056.05

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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.