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Finding the Fourth Proportional to 439,297.70, 658,946.54 and 229,345.70

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Solution

The fourth proportional to 439,297.70, 658,946.54 and 229,345.70 is: 344,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,297.70 : 658,946.54 = 229,345.70 : x
  2. Step 2: Convert to fraction form
    439,297.70/658,946.54 = 229,345.70/x
  3. Step 3: Cross multiply
    439,297.70x = 658,946.54 × 229,345.70
  4. Step 4: Simplify right side
    439,297.70x = 151,126,552,757.51
  5. Step 5: Solve for x
    x = 151,126,552,757.51/439,297.70
  6. Step 6: Final answer
    x = 344,018.54

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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.