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Finding the Fourth Proportional to 404,952.12, 558,838.13 and 223,668.63

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Solution

The fourth proportional to 404,952.12, 558,838.13 and 223,668.63 is: 308,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,952.12 : 558,838.13 = 223,668.63 : x
  2. Step 2: Convert to fraction form
    404,952.12/558,838.13 = 223,668.63/x
  3. Step 3: Cross multiply
    404,952.12x = 558,838.13 × 223,668.63
  4. Step 4: Simplify right side
    404,952.12x = 124,994,557,810.52
  5. Step 5: Solve for x
    x = 124,994,557,810.52/404,952.12
  6. Step 6: Final answer
    x = 308,665.03

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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.