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Finding the Fourth Proportional to 546,822.60, 820,233.90 and 325,638.60

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Solution

The fourth proportional to 546,822.60, 820,233.90 and 325,638.60 is: 488,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,822.60 : 820,233.90 = 325,638.60 : x
  2. Step 2: Convert to fraction form
    546,822.60/820,233.90 = 325,638.60/x
  3. Step 3: Cross multiply
    546,822.60x = 820,233.90 × 325,638.60
  4. Step 4: Simplify right side
    546,822.60x = 267,099,818,868.54
  5. Step 5: Solve for x
    x = 267,099,818,868.54/546,822.60
  6. Step 6: Final answer
    x = 488,457.90

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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.