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Finding the Fourth Proportional to 332,139.60, 499,521.60 and 298,022.40

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Solution

The fourth proportional to 332,139.60, 499,521.60 and 298,022.40 is: 448,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,139.60 : 499,521.60 = 298,022.40 : x
  2. Step 2: Convert to fraction form
    332,139.60/499,521.60 = 298,022.40/x
  3. Step 3: Cross multiply
    332,139.60x = 499,521.60 × 298,022.40
  4. Step 4: Simplify right side
    332,139.60x = 148,868,626,083.84
  5. Step 5: Solve for x
    x = 148,868,626,083.84/332,139.60
  6. Step 6: Final answer
    x = 448,211.01

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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.