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Finding the Fourth Proportional to 298,160.64, 447,206.40 and 163,265.28

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Solution

The fourth proportional to 298,160.64, 447,206.40 and 163,265.28 is: 244,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,160.64 : 447,206.40 = 163,265.28 : x
  2. Step 2: Convert to fraction form
    298,160.64/447,206.40 = 163,265.28/x
  3. Step 3: Cross multiply
    298,160.64x = 447,206.40 × 163,265.28
  4. Step 4: Simplify right side
    298,160.64x = 73,013,278,113.79
  5. Step 5: Solve for x
    x = 73,013,278,113.79/298,160.64
  6. Step 6: Final answer
    x = 244,879.00

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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.