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Finding the Fourth Proportional to 492,463.93, 679,600.20 and 266,109.43

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Solution

The fourth proportional to 492,463.93, 679,600.20 and 266,109.43 is: 367,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,463.93 : 679,600.20 = 266,109.43 : x
  2. Step 2: Convert to fraction form
    492,463.93/679,600.20 = 266,109.43/x
  3. Step 3: Cross multiply
    492,463.93x = 679,600.20 × 266,109.43
  4. Step 4: Simplify right side
    492,463.93x = 180,848,021,849.89
  5. Step 5: Solve for x
    x = 180,848,021,849.89/492,463.93
  6. Step 6: Final answer
    x = 367,231.00

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1.5x scale

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.