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Finding the Fourth Proportional to 575,855.89, 863,783.66 and 309,249.65

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Solution

The fourth proportional to 575,855.89, 863,783.66 and 309,249.65 is: 463,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,855.89 : 863,783.66 = 309,249.65 : x
  2. Step 2: Convert to fraction form
    575,855.89/863,783.66 = 309,249.65/x
  3. Step 3: Cross multiply
    575,855.89x = 863,783.66 × 309,249.65
  4. Step 4: Simplify right side
    575,855.89x = 267,124,797,463.30
  5. Step 5: Solve for x
    x = 267,124,797,463.30/575,855.89
  6. Step 6: Final answer
    x = 463,874.39

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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.