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Finding the Fourth Proportional to 477,017.22, 715,518.54 and 122,028.24

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Solution

The fourth proportional to 477,017.22, 715,518.54 and 122,028.24 is: 183,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,017.22 : 715,518.54 = 122,028.24 : x
  2. Step 2: Convert to fraction form
    477,017.22/715,518.54 = 122,028.24/x
  3. Step 3: Cross multiply
    477,017.22x = 715,518.54 × 122,028.24
  4. Step 4: Simplify right side
    477,017.22x = 87,313,468,123.57
  5. Step 5: Solve for x
    x = 87,313,468,123.57/477,017.22
  6. Step 6: Final answer
    x = 183,040.50

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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.