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Finding the Fourth Proportional to 363,563.40, 501,805.84 and 210,576.92

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Solution

The fourth proportional to 363,563.40, 501,805.84 and 210,576.92 is: 290,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,563.40 : 501,805.84 = 210,576.92 : x
  2. Step 2: Convert to fraction form
    363,563.40/501,805.84 = 210,576.92/x
  3. Step 3: Cross multiply
    363,563.40x = 501,805.84 × 210,576.92
  4. Step 4: Simplify right side
    363,563.40x = 105,668,728,225.21
  5. Step 5: Solve for x
    x = 105,668,728,225.21/363,563.40
  6. Step 6: Final answer
    x = 290,647.32

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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.