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Finding the Fourth Proportional to 483,071.64, 723,503.85 and 230,529.48

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Solution

The fourth proportional to 483,071.64, 723,503.85 and 230,529.48 is: 345,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,071.64 : 723,503.85 = 230,529.48 : x
  2. Step 2: Convert to fraction form
    483,071.64/723,503.85 = 230,529.48/x
  3. Step 3: Cross multiply
    483,071.64x = 723,503.85 × 230,529.48
  4. Step 4: Simplify right side
    483,071.64x = 166,788,966,318.50
  5. Step 5: Solve for x
    x = 166,788,966,318.50/483,071.64
  6. Step 6: Final answer
    x = 345,267.56

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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.