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Finding the Fourth Proportional to 476,835.82, 715,254.36 and 121,850.20

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Solution

The fourth proportional to 476,835.82, 715,254.36 and 121,850.20 is: 182,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,835.82 : 715,254.36 = 121,850.20 : x
  2. Step 2: Convert to fraction form
    476,835.82/715,254.36 = 121,850.20/x
  3. Step 3: Cross multiply
    476,835.82x = 715,254.36 × 121,850.20
  4. Step 4: Simplify right side
    476,835.82x = 87,153,886,816.87
  5. Step 5: Solve for x
    x = 87,153,886,816.87/476,835.82
  6. Step 6: Final answer
    x = 182,775.46

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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.