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Finding the Fourth Proportional to 549,340.20, 824,010.30 and 336,763.80

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Solution

The fourth proportional to 549,340.20, 824,010.30 and 336,763.80 is: 505,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,340.20 : 824,010.30 = 336,763.80 : x
  2. Step 2: Convert to fraction form
    549,340.20/824,010.30 = 336,763.80/x
  3. Step 3: Cross multiply
    549,340.20x = 824,010.30 × 336,763.80
  4. Step 4: Simplify right side
    549,340.20x = 277,496,839,867.14
  5. Step 5: Solve for x
    x = 277,496,839,867.14/549,340.20
  6. Step 6: Final answer
    x = 505,145.70

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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.