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Finding the Fourth Proportional to 542,020.34, 812,899.82 and 226,306.10

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Solution

The fourth proportional to 542,020.34, 812,899.82 and 226,306.10 is: 339,404.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,020.34 : 812,899.82 = 226,306.10 : x
  2. Step 2: Convert to fraction form
    542,020.34/812,899.82 = 226,306.10/x
  3. Step 3: Cross multiply
    542,020.34x = 812,899.82 × 226,306.10
  4. Step 4: Simplify right side
    542,020.34x = 183,964,187,954.90
  5. Step 5: Solve for x
    x = 183,964,187,954.90/542,020.34
  6. Step 6: Final answer
    x = 339,404.58

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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.