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Finding the Fourth Proportional to 443,200.10, 664,022.55 and 363,884.90

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Solution

The fourth proportional to 443,200.10, 664,022.55 and 363,884.90 is: 545,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,200.10 : 664,022.55 = 363,884.90 : x
  2. Step 2: Convert to fraction form
    443,200.10/664,022.55 = 363,884.90/x
  3. Step 3: Cross multiply
    443,200.10x = 664,022.55 × 363,884.90
  4. Step 4: Simplify right side
    443,200.10x = 241,627,779,204.50
  5. Step 5: Solve for x
    x = 241,627,779,204.50/443,200.10
  6. Step 6: Final answer
    x = 545,188.91

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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.