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Finding the Fourth Proportional to 493,010.37, 680,354.34 and 266,655.87

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Solution

The fourth proportional to 493,010.37, 680,354.34 and 266,655.87 is: 367,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,010.37 : 680,354.34 = 266,655.87 : x
  2. Step 2: Convert to fraction form
    493,010.37/680,354.34 = 266,655.87/x
  3. Step 3: Cross multiply
    493,010.37x = 680,354.34 × 266,655.87
  4. Step 4: Simplify right side
    493,010.37x = 181,420,478,440.98
  5. Step 5: Solve for x
    x = 181,420,478,440.98/493,010.37
  6. Step 6: Final answer
    x = 367,985.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.