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Finding the Fourth Proportional to 451,952.61, 623,692.89 and 248,006.94

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Solution

The fourth proportional to 451,952.61, 623,692.89 and 248,006.94 is: 342,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,952.61 : 623,692.89 = 248,006.94 : x
  2. Step 2: Convert to fraction form
    451,952.61/623,692.89 = 248,006.94/x
  3. Step 3: Cross multiply
    451,952.61x = 623,692.89 × 248,006.94
  4. Step 4: Simplify right side
    451,952.61x = 154,680,165,148.66
  5. Step 5: Solve for x
    x = 154,680,165,148.66/451,952.61
  6. Step 6: Final answer
    x = 342,248.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.