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Finding the Fourth Proportional to 549,345.20, 824,017.80 and 336,768.80

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Solution

The fourth proportional to 549,345.20, 824,017.80 and 336,768.80 is: 505,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,345.20 : 824,017.80 = 336,768.80 : x
  2. Step 2: Convert to fraction form
    549,345.20/824,017.80 = 336,768.80/x
  3. Step 3: Cross multiply
    549,345.20x = 824,017.80 × 336,768.80
  4. Step 4: Simplify right side
    549,345.20x = 277,503,485,684.64
  5. Step 5: Solve for x
    x = 277,503,485,684.64/549,345.20
  6. Step 6: Final answer
    x = 505,153.20

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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.