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Finding the Fourth Proportional to 619,461.48, 854,753.22 and 364,863.36

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Solution

The fourth proportional to 619,461.48, 854,753.22 and 364,863.36 is: 503,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,461.48 : 854,753.22 = 364,863.36 : x
  2. Step 2: Convert to fraction form
    619,461.48/854,753.22 = 364,863.36/x
  3. Step 3: Cross multiply
    619,461.48x = 854,753.22 × 364,863.36
  4. Step 4: Simplify right side
    619,461.48x = 311,868,131,820.02
  5. Step 5: Solve for x
    x = 311,868,131,820.02/619,461.48
  6. Step 6: Final answer
    x = 503,450.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.