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Finding the Fourth Proportional to 531,060.98, 797,286.05 and 315,313.57

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Solution

The fourth proportional to 531,060.98, 797,286.05 and 315,313.57 is: 473,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,060.98 : 797,286.05 = 315,313.57 : x
  2. Step 2: Convert to fraction form
    531,060.98/797,286.05 = 315,313.57/x
  3. Step 3: Cross multiply
    531,060.98x = 797,286.05 × 315,313.57
  4. Step 4: Simplify right side
    531,060.98x = 251,395,111,339.16
  5. Step 5: Solve for x
    x = 251,395,111,339.16/531,060.98
  6. Step 6: Final answer
    x = 473,382.76

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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.