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Finding the Fourth Proportional to 326,573.85, 450,593.04 and 190,530.15

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Solution

The fourth proportional to 326,573.85, 450,593.04 and 190,530.15 is: 262,885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,573.85 : 450,593.04 = 190,530.15 : x
  2. Step 2: Convert to fraction form
    326,573.85/450,593.04 = 190,530.15/x
  3. Step 3: Cross multiply
    326,573.85x = 450,593.04 × 190,530.15
  4. Step 4: Simplify right side
    326,573.85x = 85,851,559,500.16
  5. Step 5: Solve for x
    x = 85,851,559,500.16/326,573.85
  6. Step 6: Final answer
    x = 262,885.59

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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.