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Finding the Fourth Proportional to 501,601.04, 692,181.96 and 275,228.72

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Solution

The fourth proportional to 501,601.04, 692,181.96 and 275,228.72 is: 379,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,601.04 : 692,181.96 = 275,228.72 : x
  2. Step 2: Convert to fraction form
    501,601.04/692,181.96 = 275,228.72/x
  3. Step 3: Cross multiply
    501,601.04x = 692,181.96 × 275,228.72
  4. Step 4: Simplify right side
    501,601.04x = 190,508,354,857.89
  5. Step 5: Solve for x
    x = 190,508,354,857.89/501,601.04
  6. Step 6: Final answer
    x = 379,800.56

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Similar ratio
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1.5x scale

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.