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Finding the Fourth Proportional to 406,896.75, 561,426.77 and 243,527.85

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Solution

The fourth proportional to 406,896.75, 561,426.77 and 243,527.85 is: 336,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,896.75 : 561,426.77 = 243,527.85 : x
  2. Step 2: Convert to fraction form
    406,896.75/561,426.77 = 243,527.85/x
  3. Step 3: Cross multiply
    406,896.75x = 561,426.77 × 243,527.85
  4. Step 4: Simplify right side
    406,896.75x = 136,723,053,012.91
  5. Step 5: Solve for x
    x = 136,723,053,012.91/406,896.75
  6. Step 6: Final answer
    x = 336,014.12

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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.