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Finding the Fourth Proportional to 332,948, 499,471.68 and 122,569.76

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Solution

The fourth proportional to 332,948, 499,471.68 and 122,569.76 is: 183,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,948 : 499,471.68 = 122,569.76 : x
  2. Step 2: Convert to fraction form
    332,948/499,471.68 = 122,569.76/x
  3. Step 3: Cross multiply
    332,948x = 499,471.68 × 122,569.76
  4. Step 4: Simplify right side
    332,948x = 61,220,123,944.40
  5. Step 5: Solve for x
    x = 61,220,123,944.40/332,948
  6. Step 6: Final answer
    x = 183,872.93

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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.