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Finding the Fourth Proportional to 332,889.76, 499,285.50 and 122,478.76

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Solution

The fourth proportional to 332,889.76, 499,285.50 and 122,478.76 is: 183,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,889.76 : 499,285.50 = 122,478.76 : x
  2. Step 2: Convert to fraction form
    332,889.76/499,285.50 = 122,478.76/x
  3. Step 3: Cross multiply
    332,889.76x = 499,285.50 × 122,478.76
  4. Step 4: Simplify right side
    332,889.76x = 61,151,868,925.98
  5. Step 5: Solve for x
    x = 61,151,868,925.98/332,889.76
  6. Step 6: Final answer
    x = 183,700.06

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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.