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Finding the Fourth Proportional to 443,429.51, 665,209.98 and 162,924.89

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Solution

The fourth proportional to 443,429.51, 665,209.98 and 162,924.89 is: 244,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,429.51 : 665,209.98 = 162,924.89 : x
  2. Step 2: Convert to fraction form
    443,429.51/665,209.98 = 162,924.89/x
  3. Step 3: Cross multiply
    443,429.51x = 665,209.98 × 162,924.89
  4. Step 4: Simplify right side
    443,429.51x = 108,379,262,818.40
  5. Step 5: Solve for x
    x = 108,379,262,818.40/443,429.51
  6. Step 6: Final answer
    x = 244,411.48

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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.