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Finding the Fourth Proportional to 446,565.72, 616,267.69 and 242,620.68

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Solution

The fourth proportional to 446,565.72, 616,267.69 and 242,620.68 is: 334,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,565.72 : 616,267.69 = 242,620.68 : x
  2. Step 2: Convert to fraction form
    446,565.72/616,267.69 = 242,620.68/x
  3. Step 3: Cross multiply
    446,565.72x = 616,267.69 × 242,620.68
  4. Step 4: Simplify right side
    446,565.72x = 149,519,285,403.28
  5. Step 5: Solve for x
    x = 149,519,285,403.28/446,565.72
  6. Step 6: Final answer
    x = 334,820.34

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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.