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Finding the Fourth Proportional to 363,557.28, 501,579.17 and 210,511.92

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Solution

The fourth proportional to 363,557.28, 501,579.17 and 210,511.92 is: 290,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,557.28 : 501,579.17 = 210,511.92 : x
  2. Step 2: Convert to fraction form
    363,557.28/501,579.17 = 210,511.92/x
  3. Step 3: Cross multiply
    363,557.28x = 501,579.17 × 210,511.92
  4. Step 4: Simplify right side
    363,557.28x = 105,588,394,108.71
  5. Step 5: Solve for x
    x = 105,588,394,108.71/363,557.28
  6. Step 6: Final answer
    x = 290,431.25

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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.