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Finding the Fourth Proportional to 356,504.22, 534,396.29 and 223,477.72

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Solution

The fourth proportional to 356,504.22, 534,396.29 and 223,477.72 is: 334,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,504.22 : 534,396.29 = 223,477.72 : x
  2. Step 2: Convert to fraction form
    356,504.22/534,396.29 = 223,477.72/x
  3. Step 3: Cross multiply
    356,504.22x = 534,396.29 × 223,477.72
  4. Step 4: Simplify right side
    356,504.22x = 119,425,662,012.28
  5. Step 5: Solve for x
    x = 119,425,662,012.28/356,504.22
  6. Step 6: Final answer
    x = 334,990.88

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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.