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Finding the Fourth Proportional to 541,783.59, 812,728.85 and 186,750.87

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Solution

The fourth proportional to 541,783.59, 812,728.85 and 186,750.87 is: 280,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,783.59 : 812,728.85 = 186,750.87 : x
  2. Step 2: Convert to fraction form
    541,783.59/812,728.85 = 186,750.87/x
  3. Step 3: Cross multiply
    541,783.59x = 812,728.85 × 186,750.87
  4. Step 4: Simplify right side
    541,783.59x = 151,777,818,877.85
  5. Step 5: Solve for x
    x = 151,777,818,877.85/541,783.59
  6. Step 6: Final answer
    x = 280,144.73

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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.