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Finding the Fourth Proportional to 453,914.70, 680,872.05 and 404,148.30

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Solution

The fourth proportional to 453,914.70, 680,872.05 and 404,148.30 is: 606,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,914.70 : 680,872.05 = 404,148.30 : x
  2. Step 2: Convert to fraction form
    453,914.70/680,872.05 = 404,148.30/x
  3. Step 3: Cross multiply
    453,914.70x = 680,872.05 × 404,148.30
  4. Step 4: Simplify right side
    453,914.70x = 275,173,281,525.02
  5. Step 5: Solve for x
    x = 275,173,281,525.02/453,914.70
  6. Step 6: Final answer
    x = 606,222.45

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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.