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Finding the Fourth Proportional to 608,182.49, 911,388 and 292,270.34

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Solution

The fourth proportional to 608,182.49, 911,388 and 292,270.34 is: 437,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,182.49 : 911,388 = 292,270.34 : x
  2. Step 2: Convert to fraction form
    608,182.49/911,388 = 292,270.34/x
  3. Step 3: Cross multiply
    608,182.49x = 911,388 × 292,270.34
  4. Step 4: Simplify right side
    608,182.49x = 266,371,676,074.98
  5. Step 5: Solve for x
    x = 266,371,676,074.98/608,182.49
  6. Step 6: Final answer
    x = 437,979.85

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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.