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Finding the Fourth Proportional to 446,776.06, 616,564.72 and 255,850.96

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Solution

The fourth proportional to 446,776.06, 616,564.72 and 255,850.96 is: 353,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,776.06 : 616,564.72 = 255,850.96 : x
  2. Step 2: Convert to fraction form
    446,776.06/616,564.72 = 255,850.96/x
  3. Step 3: Cross multiply
    446,776.06x = 616,564.72 × 255,850.96
  4. Step 4: Simplify right side
    446,776.06x = 157,748,675,514.13
  5. Step 5: Solve for x
    x = 157,748,675,514.13/446,776.06
  6. Step 6: Final answer
    x = 353,082.20

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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.