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Finding the Fourth Proportional to 502,173.04, 692,992.28 and 275,804

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Solution

The fourth proportional to 502,173.04, 692,992.28 and 275,804 is: 380,605.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,173.04 : 692,992.28 = 275,804 : x
  2. Step 2: Convert to fraction form
    502,173.04/692,992.28 = 275,804/x
  3. Step 3: Cross multiply
    502,173.04x = 692,992.28 × 275,804
  4. Step 4: Simplify right side
    502,173.04x = 191,130,042,793.12
  5. Step 5: Solve for x
    x = 191,130,042,793.12/502,173.04
  6. Step 6: Final answer
    x = 380,605.94

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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.