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Finding the Fourth Proportional to 446,648.80, 616,379.25 and 242,699.72

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Solution

The fourth proportional to 446,648.80, 616,379.25 and 242,699.72 is: 334,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,648.80 : 616,379.25 = 242,699.72 : x
  2. Step 2: Convert to fraction form
    446,648.80/616,379.25 = 242,699.72/x
  3. Step 3: Cross multiply
    446,648.80x = 616,379.25 × 242,699.72
  4. Step 4: Simplify right side
    446,648.80x = 149,595,073,991.79
  5. Step 5: Solve for x
    x = 149,595,073,991.79/446,648.80
  6. Step 6: Final answer
    x = 334,927.74

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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.