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Finding the Fourth Proportional to 404,746.70, 558,535.97 and 223,454.93

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Solution

The fourth proportional to 404,746.70, 558,535.97 and 223,454.93 is: 308,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,746.70 : 558,535.97 = 223,454.93 : x
  2. Step 2: Convert to fraction form
    404,746.70/558,535.97 = 223,454.93/x
  3. Step 3: Cross multiply
    404,746.70x = 558,535.97 × 223,454.93
  4. Step 4: Simplify right side
    404,746.70x = 124,807,613,844.79
  5. Step 5: Solve for x
    x = 124,807,613,844.79/404,746.70
  6. Step 6: Final answer
    x = 308,359.81

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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.