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Finding the Fourth Proportional to 528,527.30, 793,025.85 and 213,599.30

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Solution

The fourth proportional to 528,527.30, 793,025.85 and 213,599.30 is: 320,493.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,527.30 : 793,025.85 = 213,599.30 : x
  2. Step 2: Convert to fraction form
    528,527.30/793,025.85 = 213,599.30/x
  3. Step 3: Cross multiply
    528,527.30x = 793,025.85 × 213,599.30
  4. Step 4: Simplify right side
    528,527.30x = 169,389,766,441.91
  5. Step 5: Solve for x
    x = 169,389,766,441.91/528,527.30
  6. Step 6: Final answer
    x = 320,493.88

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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.