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Finding the Fourth Proportional to 526,408.80, 788,446.80 and 433,096.80

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Solution

The fourth proportional to 526,408.80, 788,446.80 and 433,096.80 is: 648,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,408.80 : 788,446.80 = 433,096.80 : x
  2. Step 2: Convert to fraction form
    526,408.80/788,446.80 = 433,096.80/x
  3. Step 3: Cross multiply
    526,408.80x = 788,446.80 × 433,096.80
  4. Step 4: Simplify right side
    526,408.80x = 341,473,786,050.24
  5. Step 5: Solve for x
    x = 341,473,786,050.24/526,408.80
  6. Step 6: Final answer
    x = 648,685.56

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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.