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Finding the Fourth Proportional to 382,228.98, 573,346.94 and 115,989.50

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Solution

The fourth proportional to 382,228.98, 573,346.94 and 115,989.50 is: 173,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,228.98 : 573,346.94 = 115,989.50 : x
  2. Step 2: Convert to fraction form
    382,228.98/573,346.94 = 115,989.50/x
  3. Step 3: Cross multiply
    382,228.98x = 573,346.94 × 115,989.50
  4. Step 4: Simplify right side
    382,228.98x = 66,502,221,450.45
  5. Step 5: Solve for x
    x = 66,502,221,450.45/382,228.98
  6. Step 6: Final answer
    x = 173,985.29

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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.