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Finding the Fourth Proportional to 547,612.30, 820,303.03 and 446,769.73

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Solution

The fourth proportional to 547,612.30, 820,303.03 and 446,769.73 is: 669,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,612.30 : 820,303.03 = 446,769.73 : x
  2. Step 2: Convert to fraction form
    547,612.30/820,303.03 = 446,769.73/x
  3. Step 3: Cross multiply
    547,612.30x = 820,303.03 × 446,769.73
  4. Step 4: Simplify right side
    547,612.30x = 366,486,563,231.28
  5. Step 5: Solve for x
    x = 366,486,563,231.28/547,612.30
  6. Step 6: Final answer
    x = 669,244.58

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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.