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Finding the Fourth Proportional to 397,362.04, 548,359.58 and 218,514.04

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Solution

The fourth proportional to 397,362.04, 548,359.58 and 218,514.04 is: 301,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,362.04 : 548,359.58 = 218,514.04 : x
  2. Step 2: Convert to fraction form
    397,362.04/548,359.58 = 218,514.04/x
  3. Step 3: Cross multiply
    397,362.04x = 548,359.58 × 218,514.04
  4. Step 4: Simplify right side
    397,362.04x = 119,824,267,198.50
  5. Step 5: Solve for x
    x = 119,824,267,198.50/397,362.04
  6. Step 6: Final answer
    x = 301,549.36

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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.