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Finding the Fourth Proportional to 425,141.16, 636,213.36 and 265,292.35

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Solution

The fourth proportional to 425,141.16, 636,213.36 and 265,292.35 is: 397,003.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,141.16 : 636,213.36 = 265,292.35 : x
  2. Step 2: Convert to fraction form
    425,141.16/636,213.36 = 265,292.35/x
  3. Step 3: Cross multiply
    425,141.16x = 636,213.36 × 265,292.35
  4. Step 4: Simplify right side
    425,141.16x = 168,782,537,375.80
  5. Step 5: Solve for x
    x = 168,782,537,375.80/425,141.16
  6. Step 6: Final answer
    x = 397,003.52

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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.