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Finding the Fourth Proportional to 323,297.67, 484,946.30 and 152,479.66

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Solution

The fourth proportional to 323,297.67, 484,946.30 and 152,479.66 is: 228,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,297.67 : 484,946.30 = 152,479.66 : x
  2. Step 2: Convert to fraction form
    323,297.67/484,946.30 = 152,479.66/x
  3. Step 3: Cross multiply
    323,297.67x = 484,946.30 × 152,479.66
  4. Step 4: Simplify right side
    323,297.67x = 73,944,446,111.09
  5. Step 5: Solve for x
    x = 73,944,446,111.09/323,297.67
  6. Step 6: Final answer
    x = 228,719.39

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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.