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Finding the Fourth Proportional to 404,844.96, 558,690.48 and 223,556.52

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Solution

The fourth proportional to 404,844.96, 558,690.48 and 223,556.52 is: 308,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,844.96 : 558,690.48 = 223,556.52 : x
  2. Step 2: Convert to fraction form
    404,844.96/558,690.48 = 223,556.52/x
  3. Step 3: Cross multiply
    404,844.96x = 558,690.48 × 223,556.52
  4. Step 4: Simplify right side
    404,844.96x = 124,898,899,465.93
  5. Step 5: Solve for x
    x = 124,898,899,465.93/404,844.96
  6. Step 6: Final answer
    x = 308,510.45

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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.