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Finding the Fourth Proportional to 415,732.40, 623,832.48 and 226,206.44

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Solution

The fourth proportional to 415,732.40, 623,832.48 and 226,206.44 is: 339,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,732.40 : 623,832.48 = 226,206.44 : x
  2. Step 2: Convert to fraction form
    415,732.40/623,832.48 = 226,206.44/x
  3. Step 3: Cross multiply
    415,732.40x = 623,832.48 × 226,206.44
  4. Step 4: Simplify right side
    415,732.40x = 141,114,924,457.17
  5. Step 5: Solve for x
    x = 141,114,924,457.17/415,732.40
  6. Step 6: Final answer
    x = 339,436.92

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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.