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Finding the Fourth Proportional to 541,852.20, 812,817.24 and 186,861.12

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Solution

The fourth proportional to 541,852.20, 812,817.24 and 186,861.12 is: 280,305.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,852.20 : 812,817.24 = 186,861.12 : x
  2. Step 2: Convert to fraction form
    541,852.20/812,817.24 = 186,861.12/x
  3. Step 3: Cross multiply
    541,852.20x = 812,817.24 × 186,861.12
  4. Step 4: Simplify right side
    541,852.20x = 151,883,939,821.71
  5. Step 5: Solve for x
    x = 151,883,939,821.71/541,852.20
  6. Step 6: Final answer
    x = 280,305.11

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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.