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Finding the Fourth Proportional to 294,402.80, 441,604.20 and 146,946.80

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Solution

The fourth proportional to 294,402.80, 441,604.20 and 146,946.80 is: 220,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,402.80 : 441,604.20 = 146,946.80 : x
  2. Step 2: Convert to fraction form
    294,402.80/441,604.20 = 146,946.80/x
  3. Step 3: Cross multiply
    294,402.80x = 441,604.20 × 146,946.80
  4. Step 4: Simplify right side
    294,402.80x = 64,892,324,056.56
  5. Step 5: Solve for x
    x = 64,892,324,056.56/294,402.80
  6. Step 6: Final answer
    x = 220,420.20

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1.5x scale

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.