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Finding the Fourth Proportional to 559,015.37, 838,346.55 and 179,851.64

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Solution

The fourth proportional to 559,015.37, 838,346.55 and 179,851.64 is: 269,720.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,015.37 : 838,346.55 = 179,851.64 : x
  2. Step 2: Convert to fraction form
    559,015.37/838,346.55 = 179,851.64/x
  3. Step 3: Cross multiply
    559,015.37x = 838,346.55 × 179,851.64
  4. Step 4: Simplify right side
    559,015.37x = 150,778,001,905.84
  5. Step 5: Solve for x
    x = 150,778,001,905.84/559,015.37
  6. Step 6: Final answer
    x = 269,720.67

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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.