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Finding the Fourth Proportional to 492,468.43, 679,606.41 and 266,113.93

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Solution

The fourth proportional to 492,468.43, 679,606.41 and 266,113.93 is: 367,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,468.43 : 679,606.41 = 266,113.93 : x
  2. Step 2: Convert to fraction form
    492,468.43/679,606.41 = 266,113.93/x
  3. Step 3: Cross multiply
    492,468.43x = 679,606.41 × 266,113.93
  4. Step 4: Simplify right side
    492,468.43x = 180,852,732,618.29
  5. Step 5: Solve for x
    x = 180,852,732,618.29/492,468.43
  6. Step 6: Final answer
    x = 367,237.21

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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.