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Finding the Fourth Proportional to 611,640.77, 844,074.70 and 336,010.22

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Solution

The fourth proportional to 611,640.77, 844,074.70 and 336,010.22 is: 463,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,640.77 : 844,074.70 = 336,010.22 : x
  2. Step 2: Convert to fraction form
    611,640.77/844,074.70 = 336,010.22/x
  3. Step 3: Cross multiply
    611,640.77x = 844,074.70 × 336,010.22
  4. Step 4: Simplify right side
    611,640.77x = 283,617,720,583.04
  5. Step 5: Solve for x
    x = 283,617,720,583.04/611,640.77
  6. Step 6: Final answer
    x = 463,699.83

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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.