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Finding the Fourth Proportional to 447,023.88, 616,889.59 and 243,074.93

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Solution

The fourth proportional to 447,023.88, 616,889.59 and 243,074.93 is: 335,441.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,023.88 : 616,889.59 = 243,074.93 : x
  2. Step 2: Convert to fraction form
    447,023.88/616,889.59 = 243,074.93/x
  3. Step 3: Cross multiply
    447,023.88x = 616,889.59 × 243,074.93
  4. Step 4: Simplify right side
    447,023.88x = 149,950,390,214.84
  5. Step 5: Solve for x
    x = 149,950,390,214.84/447,023.88
  6. Step 6: Final answer
    x = 335,441.57

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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.