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Finding the Fourth Proportional to 492,519.69, 679,677.53 and 266,165.19

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Solution

The fourth proportional to 492,519.69, 679,677.53 and 266,165.19 is: 367,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,519.69 : 679,677.53 = 266,165.19 : x
  2. Step 2: Convert to fraction form
    492,519.69/679,677.53 = 266,165.19/x
  3. Step 3: Cross multiply
    492,519.69x = 679,677.53 × 266,165.19
  4. Step 4: Simplify right side
    492,519.69x = 180,906,497,580.36
  5. Step 5: Solve for x
    x = 180,906,497,580.36/492,519.69
  6. Step 6: Final answer
    x = 367,308.15

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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.