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Finding the Fourth Proportional to 476,062.77, 714,091.07 and 121,073.72

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Solution

The fourth proportional to 476,062.77, 714,091.07 and 121,073.72 is: 181,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,062.77 : 714,091.07 = 121,073.72 : x
  2. Step 2: Convert to fraction form
    476,062.77/714,091.07 = 121,073.72/x
  3. Step 3: Cross multiply
    476,062.77x = 714,091.07 × 121,073.72
  4. Step 4: Simplify right side
    476,062.77x = 86,457,664,351.59
  5. Step 5: Solve for x
    x = 86,457,664,351.59/476,062.77
  6. Step 6: Final answer
    x = 181,609.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.