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Finding the Fourth Proportional to 415,898.35, 623,847.53 and 229,274.35

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Solution

The fourth proportional to 415,898.35, 623,847.53 and 229,274.35 is: 343,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,898.35 : 623,847.53 = 229,274.35 : x
  2. Step 2: Convert to fraction form
    415,898.35/623,847.53 = 229,274.35/x
  3. Step 3: Cross multiply
    415,898.35x = 623,847.53 × 229,274.35
  4. Step 4: Simplify right side
    415,898.35x = 143,032,235,793.48
  5. Step 5: Solve for x
    x = 143,032,235,793.48/415,898.35
  6. Step 6: Final answer
    x = 343,911.53

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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.