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Finding the Fourth Proportional to 481,225.96, 721,384.98 and 165,462.04

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Solution

The fourth proportional to 481,225.96, 721,384.98 and 165,462.04 is: 248,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,225.96 : 721,384.98 = 165,462.04 : x
  2. Step 2: Convert to fraction form
    481,225.96/721,384.98 = 165,462.04/x
  3. Step 3: Cross multiply
    481,225.96x = 721,384.98 × 165,462.04
  4. Step 4: Simplify right side
    481,225.96x = 119,361,830,416.16
  5. Step 5: Solve for x
    x = 119,361,830,416.16/481,225.96
  6. Step 6: Final answer
    x = 248,036.97

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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.