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Finding the Fourth Proportional to 294,611.72, 406,562.10 and 160,475.72

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Solution

The fourth proportional to 294,611.72, 406,562.10 and 160,475.72 is: 221,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,611.72 : 406,562.10 = 160,475.72 : x
  2. Step 2: Convert to fraction form
    294,611.72/406,562.10 = 160,475.72/x
  3. Step 3: Cross multiply
    294,611.72x = 406,562.10 × 160,475.72
  4. Step 4: Simplify right side
    294,611.72x = 65,243,345,722.21
  5. Step 5: Solve for x
    x = 65,243,345,722.21/294,611.72
  6. Step 6: Final answer
    x = 221,455.36

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