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Finding the Fourth Proportional to 541,563.39, 812,422.85 and 186,482.07

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Solution

The fourth proportional to 541,563.39, 812,422.85 and 186,482.07 is: 279,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,563.39 : 812,422.85 = 186,482.07 : x
  2. Step 2: Convert to fraction form
    541,563.39/812,422.85 = 186,482.07/x
  3. Step 3: Cross multiply
    541,563.39x = 812,422.85 × 186,482.07
  4. Step 4: Simplify right side
    541,563.39x = 151,502,293,850.89
  5. Step 5: Solve for x
    x = 151,502,293,850.89/541,563.39
  6. Step 6: Final answer
    x = 279,749.88

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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.