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Finding the Fourth Proportional to 499,313.94, 749,002.43 and 211,071.82

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Solution

The fourth proportional to 499,313.94, 749,002.43 and 211,071.82 is: 316,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,313.94 : 749,002.43 = 211,071.82 : x
  2. Step 2: Convert to fraction form
    499,313.94/749,002.43 = 211,071.82/x
  3. Step 3: Cross multiply
    499,313.94x = 749,002.43 × 211,071.82
  4. Step 4: Simplify right side
    499,313.94x = 158,093,306,084.52
  5. Step 5: Solve for x
    x = 158,093,306,084.52/499,313.94
  6. Step 6: Final answer
    x = 316,621.05

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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.