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Finding the Fourth Proportional to 562,196.40, 843,438.60 and 325,114.80

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Solution

The fourth proportional to 562,196.40, 843,438.60 and 325,114.80 is: 487,755.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,196.40 : 843,438.60 = 325,114.80 : x
  2. Step 2: Convert to fraction form
    562,196.40/843,438.60 = 325,114.80/x
  3. Step 3: Cross multiply
    562,196.40x = 843,438.60 × 325,114.80
  4. Step 4: Simplify right side
    562,196.40x = 274,214,371,751.28
  5. Step 5: Solve for x
    x = 274,214,371,751.28/562,196.40
  6. Step 6: Final answer
    x = 487,755.47

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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.