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Finding the Fourth Proportional to 404,848.80, 607,279.68 and 180,156.96

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Solution

The fourth proportional to 404,848.80, 607,279.68 and 180,156.96 is: 270,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,848.80 : 607,279.68 = 180,156.96 : x
  2. Step 2: Convert to fraction form
    404,848.80/607,279.68 = 180,156.96/x
  3. Step 3: Cross multiply
    404,848.80x = 607,279.68 × 180,156.96
  4. Step 4: Simplify right side
    404,848.80x = 109,405,661,018.57
  5. Step 5: Solve for x
    x = 109,405,661,018.57/404,848.80
  6. Step 6: Final answer
    x = 270,238.32

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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.