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Finding the Fourth Proportional to 404,704.76, 558,489.43 and 223,416.93

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Solution

The fourth proportional to 404,704.76, 558,489.43 and 223,416.93 is: 308,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,704.76 : 558,489.43 = 223,416.93 : x
  2. Step 2: Convert to fraction form
    404,704.76/558,489.43 = 223,416.93/x
  3. Step 3: Cross multiply
    404,704.76x = 558,489.43 × 223,416.93
  4. Step 4: Simplify right side
    404,704.76x = 124,775,996,261.66
  5. Step 5: Solve for x
    x = 124,775,996,261.66/404,704.76
  6. Step 6: Final answer
    x = 308,313.64

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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.