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Finding the Fourth Proportional to 443,468.18, 611,804.88 and 327,459.62

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Solution

The fourth proportional to 443,468.18, 611,804.88 and 327,459.62 is: 451,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,468.18 : 611,804.88 = 327,459.62 : x
  2. Step 2: Convert to fraction form
    443,468.18/611,804.88 = 327,459.62/x
  3. Step 3: Cross multiply
    443,468.18x = 611,804.88 × 327,459.62
  4. Step 4: Simplify right side
    443,468.18x = 200,341,393,518.95
  5. Step 5: Solve for x
    x = 200,341,393,518.95/443,468.18
  6. Step 6: Final answer
    x = 451,760.47

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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.