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Finding the Fourth Proportional to 453,867.45, 680,801.18 and 433,200.30

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Solution

The fourth proportional to 453,867.45, 680,801.18 and 433,200.30 is: 649,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,867.45 : 680,801.18 = 433,200.30 : x
  2. Step 2: Convert to fraction form
    453,867.45/680,801.18 = 433,200.30/x
  3. Step 3: Cross multiply
    453,867.45x = 680,801.18 × 433,200.30
  4. Step 4: Simplify right side
    453,867.45x = 294,923,273,250.35
  5. Step 5: Solve for x
    x = 294,923,273,250.35/453,867.45
  6. Step 6: Final answer
    x = 649,800.45

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Similar ratio
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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.