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Finding the Fourth Proportional to 534,729.60, 801,835.20 and 297,820.80

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Solution

The fourth proportional to 534,729.60, 801,835.20 and 297,820.80 is: 446,586.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,729.60 : 801,835.20 = 297,820.80 : x
  2. Step 2: Convert to fraction form
    534,729.60/801,835.20 = 297,820.80/x
  3. Step 3: Cross multiply
    534,729.60x = 801,835.20 × 297,820.80
  4. Step 4: Simplify right side
    534,729.60x = 238,803,200,732.16
  5. Step 5: Solve for x
    x = 238,803,200,732.16/534,729.60
  6. Step 6: Final answer
    x = 446,586.84

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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.