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Finding the Fourth Proportional to 425,097.45, 636,946.31 and 297,026.73

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Solution

The fourth proportional to 425,097.45, 636,946.31 and 297,026.73 is: 445,051.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,097.45 : 636,946.31 = 297,026.73 : x
  2. Step 2: Convert to fraction form
    425,097.45/636,946.31 = 297,026.73/x
  3. Step 3: Cross multiply
    425,097.45x = 636,946.31 × 297,026.73
  4. Step 4: Simplify right side
    425,097.45x = 189,190,079,644.87
  5. Step 5: Solve for x
    x = 189,190,079,644.87/425,097.45
  6. Step 6: Final answer
    x = 445,051.08

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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.