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Finding the Fourth Proportional to 611,801.86, 844,051.02 and 451,039.14

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Solution

The fourth proportional to 611,801.86, 844,051.02 and 451,039.14 is: 622,260.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,801.86 : 844,051.02 = 451,039.14 : x
  2. Step 2: Convert to fraction form
    611,801.86/844,051.02 = 451,039.14/x
  3. Step 3: Cross multiply
    611,801.86x = 844,051.02 × 451,039.14
  4. Step 4: Simplify right side
    611,801.86x = 380,700,046,176.92
  5. Step 5: Solve for x
    x = 380,700,046,176.92/611,801.86
  6. Step 6: Final answer
    x = 622,260.36

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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.