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Finding the Fourth Proportional to 541,813.47, 812,773.66 and 186,780.75

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Solution

The fourth proportional to 541,813.47, 812,773.66 and 186,780.75 is: 280,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,813.47 : 812,773.66 = 186,780.75 : x
  2. Step 2: Convert to fraction form
    541,813.47/812,773.66 = 186,780.75/x
  3. Step 3: Cross multiply
    541,813.47x = 812,773.66 × 186,780.75
  4. Step 4: Simplify right side
    541,813.47x = 151,810,473,795.05
  5. Step 5: Solve for x
    x = 151,810,473,795.05/541,813.47
  6. Step 6: Final answer
    x = 280,189.55

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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.