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Finding the Fourth Proportional to 453,470.20, 680,205.30 and 383,486.20

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Solution

The fourth proportional to 453,470.20, 680,205.30 and 383,486.20 is: 575,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,470.20 : 680,205.30 = 383,486.20 : x
  2. Step 2: Convert to fraction form
    453,470.20/680,205.30 = 383,486.20/x
  3. Step 3: Cross multiply
    453,470.20x = 680,205.30 × 383,486.20
  4. Step 4: Simplify right side
    453,470.20x = 260,849,345,716.86
  5. Step 5: Solve for x
    x = 260,849,345,716.86/453,470.20
  6. Step 6: Final answer
    x = 575,229.30

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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.