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Finding the Fourth Proportional to 534,057.60, 800,827.20 and 297,148.80

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Solution

The fourth proportional to 534,057.60, 800,827.20 and 297,148.80 is: 445,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,057.60 : 800,827.20 = 297,148.80 : x
  2. Step 2: Convert to fraction form
    534,057.60/800,827.20 = 297,148.80/x
  3. Step 3: Cross multiply
    534,057.60x = 800,827.20 × 297,148.80
  4. Step 4: Simplify right side
    534,057.60x = 237,964,841,487.36
  5. Step 5: Solve for x
    x = 237,964,841,487.36/534,057.60
  6. Step 6: Final answer
    x = 445,578.98

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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.