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Finding the Fourth Proportional to 397,547.73, 548,605.98 and 227,770.92

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Solution

The fourth proportional to 397,547.73, 548,605.98 and 227,770.92 is: 314,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,547.73 : 548,605.98 = 227,770.92 : x
  2. Step 2: Convert to fraction form
    397,547.73/548,605.98 = 227,770.92/x
  3. Step 3: Cross multiply
    397,547.73x = 548,605.98 × 227,770.92
  4. Step 4: Simplify right side
    397,547.73x = 124,956,488,782.10
  5. Step 5: Solve for x
    x = 124,956,488,782.10/397,547.73
  6. Step 6: Final answer
    x = 314,318.20

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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.