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Finding the Fourth Proportional to 541,191.84, 811,779.32 and 186,208.96

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Solution

The fourth proportional to 541,191.84, 811,779.32 and 186,208.96 is: 279,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,191.84 : 811,779.32 = 186,208.96 : x
  2. Step 2: Convert to fraction form
    541,191.84/811,779.32 = 186,208.96/x
  3. Step 3: Cross multiply
    541,191.84x = 811,779.32 × 186,208.96
  4. Step 4: Simplify right side
    541,191.84x = 151,160,582,926.71
  5. Step 5: Solve for x
    x = 151,160,582,926.71/541,191.84
  6. Step 6: Final answer
    x = 279,310.54

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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.