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Finding the Fourth Proportional to 447,087, 616,667.58 and 294,076.92

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Solution

The fourth proportional to 447,087, 616,667.58 and 294,076.92 is: 405,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,087 : 616,667.58 = 294,076.92 : x
  2. Step 2: Convert to fraction form
    447,087/616,667.58 = 294,076.92/x
  3. Step 3: Cross multiply
    447,087x = 616,667.58 × 294,076.92
  4. Step 4: Simplify right side
    447,087x = 181,347,702,590.25
  5. Step 5: Solve for x
    x = 181,347,702,590.25/447,087
  6. Step 6: Final answer
    x = 405,620.61

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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.