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Finding the Fourth Proportional to 405,698.10, 559,687.45 and 244,461.52

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Solution

The fourth proportional to 405,698.10, 559,687.45 and 244,461.52 is: 337,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,698.10 : 559,687.45 = 244,461.52 : x
  2. Step 2: Convert to fraction form
    405,698.10/559,687.45 = 244,461.52/x
  3. Step 3: Cross multiply
    405,698.10x = 559,687.45 × 244,461.52
  4. Step 4: Simplify right side
    405,698.10x = 136,822,044,751.92
  5. Step 5: Solve for x
    x = 136,822,044,751.92/405,698.10
  6. Step 6: Final answer
    x = 337,250.89

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Why These Related Problems?

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