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Finding the Fourth Proportional to 447,051.97, 616,947.94 and 256,102.26

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Solution

The fourth proportional to 447,051.97, 616,947.94 and 256,102.26 is: 353,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,051.97 : 616,947.94 = 256,102.26 : x
  2. Step 2: Convert to fraction form
    447,051.97/616,947.94 = 256,102.26/x
  3. Step 3: Cross multiply
    447,051.97x = 616,947.94 × 256,102.26
  4. Step 4: Simplify right side
    447,051.97x = 158,001,761,772.67
  5. Step 5: Solve for x
    x = 158,001,761,772.67/447,051.97
  6. Step 6: Final answer
    x = 353,430.42

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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.