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Finding the Fourth Proportional to 443,073.64, 611,385.60 and 252,090.24

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Solution

The fourth proportional to 443,073.64, 611,385.60 and 252,090.24 is: 347,852.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,073.64 : 611,385.60 = 252,090.24 : x
  2. Step 2: Convert to fraction form
    443,073.64/611,385.60 = 252,090.24/x
  3. Step 3: Cross multiply
    443,073.64x = 611,385.60 × 252,090.24
  4. Step 4: Simplify right side
    443,073.64x = 154,124,342,636.54
  5. Step 5: Solve for x
    x = 154,124,342,636.54/443,073.64
  6. Step 6: Final answer
    x = 347,852.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.