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Finding the Fourth Proportional to 404,962.93, 558,846.70 and 223,687.36

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Solution

The fourth proportional to 404,962.93, 558,846.70 and 223,687.36 is: 308,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,962.93 : 558,846.70 = 223,687.36 : x
  2. Step 2: Convert to fraction form
    404,962.93/558,846.70 = 223,687.36/x
  3. Step 3: Cross multiply
    404,962.93x = 558,846.70 × 223,687.36
  4. Step 4: Simplify right side
    404,962.93x = 125,006,942,967.71
  5. Step 5: Solve for x
    x = 125,006,942,967.71/404,962.93
  6. Step 6: Final answer
    x = 308,687.37

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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.