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Finding the Fourth Proportional to 379,394.43, 569,018.63 and 176,934.96

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Solution

The fourth proportional to 379,394.43, 569,018.63 and 176,934.96 is: 265,368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,394.43 : 569,018.63 = 176,934.96 : x
  2. Step 2: Convert to fraction form
    379,394.43/569,018.63 = 176,934.96/x
  3. Step 3: Cross multiply
    379,394.43x = 569,018.63 × 176,934.96
  4. Step 4: Simplify right side
    379,394.43x = 100,679,287,653.63
  5. Step 5: Solve for x
    x = 100,679,287,653.63/379,394.43
  6. Step 6: Final answer
    x = 265,368.39

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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.