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Finding the Fourth Proportional to 552,783.08, 829,174.62 and 305,039.72

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Solution

The fourth proportional to 552,783.08, 829,174.62 and 305,039.72 is: 457,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,783.08 : 829,174.62 = 305,039.72 : x
  2. Step 2: Convert to fraction form
    552,783.08/829,174.62 = 305,039.72/x
  3. Step 3: Cross multiply
    552,783.08x = 829,174.62 × 305,039.72
  4. Step 4: Simplify right side
    552,783.08x = 252,931,193,915.91
  5. Step 5: Solve for x
    x = 252,931,193,915.91/552,783.08
  6. Step 6: Final answer
    x = 457,559.58

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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.