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Finding the Fourth Proportional to 404,716.92, 558,510.29 and 223,428.98

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Solution

The fourth proportional to 404,716.92, 558,510.29 and 223,428.98 is: 308,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,716.92 : 558,510.29 = 223,428.98 : x
  2. Step 2: Convert to fraction form
    404,716.92/558,510.29 = 223,428.98/x
  3. Step 3: Cross multiply
    404,716.92x = 558,510.29 × 223,428.98
  4. Step 4: Simplify right side
    404,716.92x = 124,787,380,504.51
  5. Step 5: Solve for x
    x = 124,787,380,504.51/404,716.92
  6. Step 6: Final answer
    x = 308,332.50

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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.