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Finding the Fourth Proportional to 551,475.20, 827,212.80 and 362,518.40

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Solution

The fourth proportional to 551,475.20, 827,212.80 and 362,518.40 is: 543,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,475.20 : 827,212.80 = 362,518.40 : x
  2. Step 2: Convert to fraction form
    551,475.20/827,212.80 = 362,518.40/x
  3. Step 3: Cross multiply
    551,475.20x = 827,212.80 × 362,518.40
  4. Step 4: Simplify right side
    551,475.20x = 299,879,860,715.52
  5. Step 5: Solve for x
    x = 299,879,860,715.52/551,475.20
  6. Step 6: Final answer
    x = 543,777.60

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Similar ratio
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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.