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Finding the Fourth Proportional to 404,707.62, 558,536.22 and 234,931.62

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Solution

The fourth proportional to 404,707.62, 558,536.22 and 234,931.62 is: 324,228.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,707.62 : 558,536.22 = 234,931.62 : x
  2. Step 2: Convert to fraction form
    404,707.62/558,536.22 = 234,931.62/x
  3. Step 3: Cross multiply
    404,707.62x = 558,536.22 × 234,931.62
  4. Step 4: Simplify right side
    404,707.62x = 131,217,818,993.28
  5. Step 5: Solve for x
    x = 131,217,818,993.28/404,707.62
  6. Step 6: Final answer
    x = 324,228.68

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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.