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Finding the Fourth Proportional to 404,718.99, 558,504.45 and 223,436.52

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Solution

The fourth proportional to 404,718.99, 558,504.45 and 223,436.52 is: 308,338.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,718.99 : 558,504.45 = 223,436.52 : x
  2. Step 2: Convert to fraction form
    404,718.99/558,504.45 = 223,436.52/x
  3. Step 3: Cross multiply
    404,718.99x = 558,504.45 × 223,436.52
  4. Step 4: Simplify right side
    404,718.99x = 124,790,290,712.51
  5. Step 5: Solve for x
    x = 124,790,290,712.51/404,718.99
  6. Step 6: Final answer
    x = 308,338.12

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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.