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Finding the Fourth Proportional to 477,039.44, 715,555.51 and 122,052.89

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Solution

The fourth proportional to 477,039.44, 715,555.51 and 122,052.89 is: 183,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,039.44 : 715,555.51 = 122,052.89 : x
  2. Step 2: Convert to fraction form
    477,039.44/715,555.51 = 122,052.89/x
  3. Step 3: Cross multiply
    477,039.44x = 715,555.51 × 122,052.89
  4. Step 4: Simplify right side
    477,039.44x = 87,335,617,950.92
  5. Step 5: Solve for x
    x = 87,335,617,950.92/477,039.44
  6. Step 6: Final answer
    x = 183,078.40

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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.