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Finding the Fourth Proportional to 492,950.43, 680,267.74 and 266,595.93

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Solution

The fourth proportional to 492,950.43, 680,267.74 and 266,595.93 is: 367,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,950.43 : 680,267.74 = 266,595.93 : x
  2. Step 2: Convert to fraction form
    492,950.43/680,267.74 = 266,595.93/x
  3. Step 3: Cross multiply
    492,950.43x = 680,267.74 × 266,595.93
  4. Step 4: Simplify right side
    492,950.43x = 181,356,610,794.30
  5. Step 5: Solve for x
    x = 181,356,610,794.30/492,950.43
  6. Step 6: Final answer
    x = 367,900.30

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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.