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Finding the Fourth Proportional to 541,921.19, 812,973.11 and 200,384.69

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Solution

The fourth proportional to 541,921.19, 812,973.11 and 200,384.69 is: 300,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,921.19 : 812,973.11 = 200,384.69 : x
  2. Step 2: Convert to fraction form
    541,921.19/812,973.11 = 200,384.69/x
  3. Step 3: Cross multiply
    541,921.19x = 812,973.11 × 200,384.69
  4. Step 4: Simplify right side
    541,921.19x = 162,907,359,558.90
  5. Step 5: Solve for x
    x = 162,907,359,558.90/541,921.19
  6. Step 6: Final answer
    x = 300,610.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.