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Finding the Fourth Proportional to 404,644.48, 558,409.41 and 223,356.46

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Solution

The fourth proportional to 404,644.48, 558,409.41 and 223,356.46 is: 308,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,644.48 : 558,409.41 = 223,356.46 : x
  2. Step 2: Convert to fraction form
    404,644.48/558,409.41 = 223,356.46/x
  3. Step 3: Cross multiply
    404,644.48x = 558,409.41 × 223,356.46
  4. Step 4: Simplify right side
    404,644.48x = 124,724,346,256.24
  5. Step 5: Solve for x
    x = 124,724,346,256.24/404,644.48
  6. Step 6: Final answer
    x = 308,231.92

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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.