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Finding the Fourth Proportional to 446,703.93, 616,595.09 and 285,991.83

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Solution

The fourth proportional to 446,703.93, 616,595.09 and 285,991.83 is: 394,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,703.93 : 616,595.09 = 285,991.83 : x
  2. Step 2: Convert to fraction form
    446,703.93/616,595.09 = 285,991.83/x
  3. Step 3: Cross multiply
    446,703.93x = 616,595.09 × 285,991.83
  4. Step 4: Simplify right side
    446,703.93x = 176,341,156,728.16
  5. Step 5: Solve for x
    x = 176,341,156,728.16/446,703.93
  6. Step 6: Final answer
    x = 394,760.70

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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.