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Finding the Fourth Proportional to 433,499.74, 598,390.14 and 326,380.48

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Solution

The fourth proportional to 433,499.74, 598,390.14 and 326,380.48 is: 450,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,499.74 : 598,390.14 = 326,380.48 : x
  2. Step 2: Convert to fraction form
    433,499.74/598,390.14 = 326,380.48/x
  3. Step 3: Cross multiply
    433,499.74x = 598,390.14 × 326,380.48
  4. Step 4: Simplify right side
    433,499.74x = 195,302,861,120.47
  5. Step 5: Solve for x
    x = 195,302,861,120.47/433,499.74
  6. Step 6: Final answer
    x = 450,525.90

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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.