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Finding the Fourth Proportional to 404,799, 558,631.50 and 223,510.44

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Solution

The fourth proportional to 404,799, 558,631.50 and 223,510.44 is: 308,449.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,799 : 558,631.50 = 223,510.44 : x
  2. Step 2: Convert to fraction form
    404,799/558,631.50 = 223,510.44/x
  3. Step 3: Cross multiply
    404,799x = 558,631.50 × 223,510.44
  4. Step 4: Simplify right side
    404,799x = 124,859,972,362.86
  5. Step 5: Solve for x
    x = 124,859,972,362.86/404,799
  6. Step 6: Final answer
    x = 308,449.31

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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.