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Finding the Fourth Proportional to 364,672.20, 546,770.70 and 327,347.40

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Solution

The fourth proportional to 364,672.20, 546,770.70 and 327,347.40 is: 490,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,672.20 : 546,770.70 = 327,347.40 : x
  2. Step 2: Convert to fraction form
    364,672.20/546,770.70 = 327,347.40/x
  3. Step 3: Cross multiply
    364,672.20x = 546,770.70 × 327,347.40
  4. Step 4: Simplify right side
    364,672.20x = 178,983,967,041.18
  5. Step 5: Solve for x
    x = 178,983,967,041.18/364,672.20
  6. Step 6: Final answer
    x = 490,807.82

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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.