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Finding the Fourth Proportional to 492,776.72, 680,032.90 and 266,422.22

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Solution

The fourth proportional to 492,776.72, 680,032.90 and 266,422.22 is: 367,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,776.72 : 680,032.90 = 266,422.22 : x
  2. Step 2: Convert to fraction form
    492,776.72/680,032.90 = 266,422.22/x
  3. Step 3: Cross multiply
    492,776.72x = 680,032.90 × 266,422.22
  4. Step 4: Simplify right side
    492,776.72x = 181,175,874,891.04
  5. Step 5: Solve for x
    x = 181,175,874,891.04/492,776.72
  6. Step 6: Final answer
    x = 367,663.22

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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.